Vetenskapliga publikationer

Larsson et al. Inter-laboratory variability in vancomycin measurement in an external quality assessment scheme 2016-2025. Clin Biochem. 2026; 142, 111096. https://doi.org/10.1016/j.clinbiochem.2026.111096

Pleus et al. Clinical assessment and acceptance criteria for continuous glucose monitoring (CGM) system performance: A proposed guideline by the IFCC Working Group on CGM. Clin Chim Acta 2026; 580, 120728. https://doi.org/10.1016/j.cca.2025.120728

Pleus et al. The need for standardization of continuous glucose monitoring performance evaluation: An opinion by the International federation of clinical chemistry and laboratory medicine working group on continuous glucose monitoring. J Diabetes Sci Techn. 2026; 20(1), 201-206. doi: 10.1177/19322968241296097

Rask et al. A bottom-up initiated digital external quality assessment scheme for the state-of-the-art pathology in Sweden: reduced variability between pathology departments. Virchows Archiv 2026; 489, 485-493. https://doi.org/10.1007/s00428-025-04059-9

Bryn Ekehaug. Summary of an evaluation organised by SKUP: iaX-2101. Klinisk Biokemi i Norden 2025; 2(37), 39-41.

Eriksson Boija. Summary of an evaluation organised by SKUP: Capitainer B. Klinisk Biokemi i Norden 2025; 4(37), 38-40.

Freckmann et al. Recommendations on the collection of comparator measurement data in the performance evaluation of continuous glucose monitoring systems. J Diabetes Sci Techn. 2025; 19(4), 1072-1081. https://doi.org/10.1177/19322968251336221

Hekland et al. Diagnostic performance and user-Friendliness of five rapid antigen tests for SARS-CoV-2. J Lab Prec Med 2025; 10(16). doi: 10.21037/jlpm-24-56

Kur et al. Analytical performance and user-friendliness of four point-of-care measuring systems for monitoring prothrombin time international normalized ratio in the hands of the intended users. Diagnosis 2025; 12(3), 432-440. https://doi.org/10.1515/dx-2025-0023

Pleus et al. Comparator value pairing impacts reported continuous glucose monitoring system accuracy. J Diabetes Sci Techn. 2025; 19(5), 1423-1426. https://doi.org/10.1177/19322968251344303

Pleus et al. 2025. Proposed minimum requirements for market approval of continuous glucose monitoring (CGM) systems: A viewpoint from the IFCC working group on CGM, Diabetes Obes Metab. 2025; 27, 4039-4042. DOI: 10.1111/dom.16420

Wallström et al. An online national quality assessment survey of prostate MRI reading: interreader variability in prostate volume measurement and PI-RADS classification. European Journal of Radiology Open 2025; 14, 100625. https://doi.org/10.1016/j.ejro.2024.100625

Ankarberg-Lindgren et al. Methodological considerations in determining sex steroids in children: comparison of conventional immunoassays with liquid chromatography-tandem mass spectrometry. CCLM; 2024; 62(1), 85-96. http://dx.doi.org/10.1515/cclm-2023-0344

Antonsen et al. History, implementation and current use of the IFCC-IUPAC’s Nomenclature for Properties and Units (NPU) terminology in Denmark, Norway and Sweden. eJIFCC 2024; 35(3), 154-165.

Bryn Ekehaug. Summary of an evaluation organised by SKUP: LabPad Evolution. Klinisk Biokemi i Norden 2024; 2(36), 40-41.

Eichenlaub et al. Comparator data characteristics and testing procedures for the clinical performance evaluation of continuous glucose monitoring systems. Diabetes Technology and Therapeutics 2024; 26(4), 263-275. https://doi.org/10.1089/dia.2023.0465

Hamilton et al. IgE Antibody Assay-Based Allergen Database (CLSI-IL/A-37). Int J Allergy & Imm. 2024; 2(1). DOI: 10.51626/ijai.2024.02.00003

Kur. Summary of an evaluation organised by SKUP: cobas pulse. Klinisk Biokemi i Norden 2024; 1(36), 35-37.

Lundgren et al. Inter-laboratory variation for urine albumin among laboratories in a Swedish external quality assessment scheme 2005-2023. Clin Biochem. 2024; 133-134,110825. https://doi.org/10.1016/j.clinbiochem.2024.110825

Pleus et al. Improving the bias of comparator methods in analytical performance assessments through recalibration. J Diabetes Sci Techn. 2024; 18(3), May 2024, 686-694. https://doi.org/10.1177/193229682211331

Portin. NPU-terminologi – språket som förenar laboratorier. Klinisk Biokemi i Norden 2024; 3(36), 34-36.

Portin och Andersson. NPU-terminologi – språket som förenar laboratorier. Laboratoriet 2024; 1, 6-9.

Freckmann et al. Clinical performance evaluation of continuous glucose monitoring systems - A scoping review and recommendations for reporting. J Diabetes Sci Techn. 2023; 17(6), 1506-1526. https://doi.org/10.1177/19322968231190941

Helander och Hansson. The alcohol biomarker phosphatidylethanol (PEth)-test performance and experiences from routine analysis and external quality assessment. Scand J Clin Lab Invest. 2023; 83(6), 424-431. https://doi.org/10.1080/00365513.2023.2253734

Helander och Hansson. Alkoholmarkören fosdatidyletanol - så bedöms testresultatet. Läkartidningen 2023; 120, 23029.

Larsson och Nordin. Om referensintervall och metodskillnader. Klinisk Biokemi i Norden 2023; 1(35), 29-32.

Lee Hansen et al. Properties and units in the clinical laboratory sciences. PartXXVII: online dynamic NPU manual (IUPAC Technical Report), Pure Appl Chem. 2023; 95(2), 125-131. https://doi.org/10.1515/pac-2021-1109

Lundgren et al. Interlaboratory variation for NT-proBNP among Swedish laboratories in an external quality program 2011-2021. CCLM. 2023; 61(9), 1643-1651. https://doi.org/10.1515/cclm-2023-0051

Malmgren, Öberg et al. The complexity of kidney disease and diagnosing it – cystatin C, selective glomerular hypofiltration syndromes and proteome regulation. J Intern Med. 2023; 293, 293-308. doi: 10.1111/joim.13589

Morken. New logo and website for SKUP. Klinisk Biokemi i Norden 2023; 3(35), 38.

Morken. Summary of an evaluation organised by SKUP: MF-68 SARS-CoV-2 Antigen Test. Klinisk Biokemi i Norden 2023; 1(35), 39-41.

Pendrill et al. Modernising receiver operating characteristic (ROC) curves. Algorithms 2023; 16(5), 253. https://doi.org/10.3390/a16050253

Rollborn et al. Accuracy of determination of free light chains (Kappa and Lambda) in plasma and serum by Swedish laboratories as monitored by external quality assessment. Clin Biochem. 2023; 111, 47-53. https://doi.org/10.1016/j.clinbiochem.2022.10.003

Bian et al. Rutinmässig screening med APTT är inte indicerad före operation. Läkartidningen 2022; 119: 21240.

Eriksson Boija. Summary of an evaluation organised by SKUP: cobas b 101 for measurement of HbA1c. Klinisk Biokemi i Norden 2022; 4(34), 36-38.

Gustafsson et al. A multicentre simulation study of planar whole-body bone scintigraphy in Sweden. EJNMMI Phys. 2022;9(12). https://doi.org/10.1186/s40658-022-00435-5

Hekland. Summary of an evaluation organised by SKUP: NADAL COVID-19 Ag Test. Klinisk Biokemi i Norden 2022; 2(34), 40-41.

Kur. Summary of an evaluation organised by SKUP: Flowflex SARS-CoV-2 Antigen Rapid Test. Klinisk Biokemi i Norden 2022; 3(34), 40-41.

Kur. Summary of an evaluation organised by SKUP: Afinion 2 Analyzer for measurement of HbA1c. Klinisk Biokemi i Norden 2022; 1(34), 39-41.

Lee Hansen et al. Misleading nomenclature of units of WHO materials used for standardization of SARS COv-2 serology, CCLM 2022; 60(7), e151-e152. https://doi.org/10.1515/cclm-2022-0082

Ognissanti et al. Estimating analytical errors of glomerular filtration rate measurement, Clin Chem. 2022; 68(9), 1211-1218. https://doi.org/10.1093/clinchem/hvac098

Breivik. Summary of an evaluation organised by SKUP: CLINITEST Rapid COVID-19 Antigen Test. Klinisk Biokemi i Norden 2021; 4(33), 35-37.

Breivik. Summary of an evaluation organised by SKUP: LumiraDx SARS-CoV-2 Ag Test. Klinisk Biokemi i Norden 2021; 1(33), 38-39.

Eriksson Boija. Summary of an evaluation organised by SKUP: qLabs ElectroMeter Q-3 Plus Owren (dry) for measurement of PT (INR). Klinisk Biokemi i Norden 2021; 2(33), 40-41.

Huu-Hien Huynh et al. Harmonization status of procalcitonin measurements: what do comparison studies and EQA schemes tell us? CCLM 2021; 59(10), 1610-1622. https://doi.org/10.1515/cclm-2021-0566

Landberg et al. Evaluation of venous plasma glucose measured by point-of-care testing (Accuchek Inform II) and a hospital laboratory hexokinase method (Cobas c701) in oral glucose tolerance testing during pregnancy - a challenge in diagnostic accuracy. Scand J Clin Lab Invest. 2021; 81(8), 607-614. https://doi.org/10.1080/00365513.2021.1980224

Norling et al. Evaluating commutability of control materials in three nordic external quality assessment schemes for lipoproteins. J Appl Lab Med. 2021; 6(6), 1580-1591. https://doi.org/10.1093/jalm/jfab058

Sølvik et al. Performance and user-friendliness of the rapid antigen detection tests QuickVue Dipstick Strep A test and DIAQUICK Strep A Blue Dipstick for pharyngotonsillitis caused by Streptococcus pyogenes in primary health care. Eur J Clin Microbiol Infect Dis. 2021; 40(3), 549-558. https://doi.org/10.1007/s10096-020-04034-z

Widing et al. Ökad analys av anabola androgena steroider utanför idrotten behövs. Läkartidningen 2021; 118, 20047.

Breivik. Summary of an evaluation organised by SKUP: Cobas b 101 for measurement of CRP. Klinisk Biokemi i Norden 2020; 1(32), 36-37.

Helander et al. Ny testrutin för kiralt amfetamin minskar risken att missa sidobruk. Läkartidningen 2020; 117, 20082.

Helander et al. Förenklad analys av etylenglykol kan ge snabbare diagnos vid förgiftningsfall. Läkartidningen 2020;.117, FZWM.

Jendle et al. När HbA1c inte stämmer. Läkartidningen 2020,117, 20001.

Mari et al. Foundations of uncertainty in evaluations of nominal properties. Measurement 2020; 152, 107397. doi.org/10.1016/j.measurement.2019.107397

Delanaye et al. CKD: A call for an age-adapted definition. J Am Soc Nephrol. 2019; 30(10), 1785-1805. doi:10.1681/ASN.2019030238

Ekvall och Monsen. Summary of an evaluation organised by SKUP: Cobas b 101 for measurement of CRP. Klinisk Biokemi i Norden 2019; 1(31), 36-37.

Helmersson-Karlqvist et al. Kreatinin har sjunkit till mer sanna värden och samstämmigheten mellan laboratorierna har ökat, Klinisk Biokemi i Norden; 2019; 4(13): 28-32.

Helmersson-Karlqvist et al. Lower creatinine concentration values and lower inter-laboratory variation among Swedish hospital laboratories in 2014 compared to 1996: results from the Equalis external quality assessment program. CCLM 2019; 57(6), 838-844. doi: 10.1515/cclm-2018-0670

Nordin et al. Accuracy of determination of the glomerular filtration marker iohexol by European laboratories as monitored by external quality assessment, CCLM 2019; 57(7), 1006-1011. https://doi.org/10.1515/cclm-2018-1175

Nordin et al. Tillsammans skapar vi laboratorieresultat att lita på. Läkartidningen 2019; 116, FHWD.

Nordmark Grass et al. Bättre labbanalys av paracetamol ger säkrare bedömning av förgiftningsfall. Läkartidningen 2019; 116, FPMA.

Björk et al. How valid are GFR estimation results from the CKD-EPI databases? Am J Kidney Dis. 2018; 71(3), 446.

Eriksson Boija och Monsen. Summary of an evaluation organised by SKUP: QuickVue Dipstick Strep A Test. Klinisk Biokemi i Norden 2018; 1(30), 42-43.

Monsen och Risa. Summary of an evaluation organised by SKUP: Accu-Chek Instant. Klinisk Biokemi i Norden 2018; 4(30), 36-38.

Monsen och Risa. Vurdering av nøyaktighet i de 10 seneste SKUP-utprøvingene av blodsukkerapparat beregnet for egenmåling. Klinisk Biokemi i Norden 2018; 3(30), 34-35.

Monsen och Risa. Summary of an evaluation organised by SKUP: Accu-Chek Guide. Klinisk Biokemi i Norden 2018; 2(30), 36-37.

Nordin. Accuracy of HbA1c as monitored by external quality assessment and compared with patient mean values. J Diabetes Sci Techn. 2018; 12(4), 771-779. https://doi.org/10.1177/1932296818785622

Nordin et al. Vocabulary on nominal property, examination, and related concepts for clinical laboratory sciences (IFCC-IUPAC Recommendations 2017). Pure Appl Chem. 2018; 90(5), 913-935. https://doi.org/10.1515/pac-2011-0613

Petersen et al. Properties and units in the clinical laboratory sciences part XXIV. Properties and units in clinical molecular genetics (technical report 2017), Clin Chim Acta 2018; 484, 122-131. https://doi.org/10.1016/j.cca.2018.05.028

Petersen et al. Properties and units in the clinical laboratory sciences part XXIV. Properties and units in clinical molecular genetics (technical report 2017), Pure Appl Chem. 2018; 90(7), 1199-1220. https://doi.org/10.1515/pac-2017-1008

Schwartz et al. Multicenter laboratory comparison of iohexol measurement. J Appl Lab Med. 2018; 2(5), 711-724. doi: 10.1373/jalm.2017.024240

Ceriotti et al. Criteria for assigning laboratory measurands to models for analytical performance specifications defined in the 1st EFLM Strategic Conference. Clin Chem Lab Med. 2017; 55(2), 189-194. https://doi.org/10.1515/cclm-2016-0091

Maret et al. Tioårsjubileum för nationellt kvalitetssäkringsprogram inom ekokardiografi. Svensk kardiologi 2017; 4, 32-35.

Monsen et al. 1997 – 2017 20 år med SKUP. Klinisk Biokemi i Norden 2017; 4(29), 14-19.

Nordin. Cystatin C incremental improvement in measurement and understanding of results. Clin Chem. 2017; 63(4), 802-803. doi: 10.1373/clinchem.2016.270017

Olsson et al. Tillgång till snabb laboratorieanalys vid akut förgiftning ger bättre och säkrare vård. Läkartidningen 2017; 114, ELMI.

Rollborn et al. Analysis of HbA1c on an automated multicapillary zone electrophoresis system. Scand J Clin Lab Invest. 2017; 77(1), 15-18. doi: 10.1080/00365513.2016.1238507

Andersson och Brink. Samarbete mellan Equalis och Svensk förening för pediatrisk radiologi. Imago Medica, 2016; 2, 39-40.

Brolin et al. The accuracy of quantitative parameters in 99mTc-MAG3 dynamic renography: a national audit based on virtual image data, Clin Physiol Funct Imaging 2016; 36(2),146-54. doi: 10.1111/cpf.12208

Hansson et al. Enhetliga analyser av narkotika i urin krävs för rättssäkerheten. Läkartidningen 2015; 112, DLHH.

Nordin. Before defining performance criteria we must agree on what a "qualitative test procedure" is. CCLM 2015; 53(6), 939–941. doi: 10.1515/cclm-2015-0005

Topic et al. How to assess the quality of your analytical method, CCLM 2015; 53(11), 1707-1718. https://doi.org/10.1515/cclm-2015-0869

Trägårdh, et al. Evaluation of inter-departmental variability of ejection fraction and cardiac volumes in myocardial perfusion scintigraphy using simulated data. EJNMM Phys. 2015; 2(2). doi: 10.1186/s40658-014-0105-9

Eklund et al. Global improvement in genotyping of human papillomavirus DNA; the 2011 HPV LabNet international proficiency study. J Clin Microbiol. 2014; 52(2), 449-459. https://doi.org/10.1128/jcm.02453-13

Grubb et al. Generation of a new cystatin C-based estimating equation for glomerular filtration rate by use of 7 assays standardized to the international calibrator. Clin Chem. 2014; 60(7), 974-986. doi: 10.1373/clinchem.2013.220707

Larsson och Nordin. Erfarenheter från specifika myelomutskick som gjorts som ett samarbete mellan Equalis proteingrupp och Nordiska myelomgruppen. Klinisk Biokemi i Norden 2014; 1(26), 14-17.

Maret et al. Quality improvement programmes for echocardiography. EHJ, Cardiovascular Imaging, Letter 2014.

Nordin. Inga metoduppgifter? Inga jämförbara laboratorieresultat. Läkartidningen 2014; 111, CXT4.

Nordin. Att ta vara på informationen, LabTech Magazine, 2014; 1, 21-22.

Nordin. Mäter blodsockermätarna rätt? Diabetesvård, 2014; 2-3.

Norlund et al. Patientnära analyser används inte enhetligt i primärvården. Läkartidningen 2014; 111, CSLT.

Nyman et al. The revised Lund-Malmö GFP estimating equation outperforms MDRD and CKD-EPI across GFR, age and BMI in a large Swedish population. CCLM 2014; 52(6), 815-824. https://doi.org/10.1515/cclm-2013-0741

Nyman et al. Med dagens kreatininmetoder ger den reviderade Lund-Malmöformeln säkrare GFR-skattningar än MDRD och CKD-EPI. Klinisk Biokemi i Norden 2014; 4(26), 20-35.

Forsum och Nordin. Det som bör diskuteras är hur snabbtestet ska användas och tolkas. Läkartidningen 2013, 11.

Forsum och Nordin. Korrekt bedömning av snabbtest för betastreptokocker. Läkartidningen 2013, 7.

Helander och Hansson. Nationell harmonisering av alkoholmarkören PEth. Läkartidningen, 2013; 110(39-40), 1747-1748.

Nordin. Coefficient of variation for hemoglobin A1c results that are traceable to national glycohemoglobin standardization program must be distinguished from coefficient of variation for results traceable to International Federation of Clinical Chemistry and Laboratory Medicine. Diabetes Technol Ther. 2011; 13(12), 1271-1272. doi:10.1089/dia.2011.0106

Helander et al. Kreatininkoncentrationen i urin bör mätas vid drogtestning. Läkartidningen 2011; 24-25 (108), 1311-1314.

Fagerberg Blixter et al. Citratkoncentration och koagulationsanalyser: Dags att harmonisera till 3,2%. Klinisk Biokemi Norden 2010; 4(22), 30-35.

Nordin. CRP kan aldrig vara "35". Läkartidningen 2010; 107(32-33), 1850-1852.

Nordin et al. An outline for a vocabulary of nominal properties and examinations – basic and general concepts and associated terms. CCLM 2010; 48(11), 1553-1566.

Weycamp et al. Toward standardization of carbohydrate-deficient transferring (CDT) measurements: II. Performance of a laboratory network running the HPLC candidate reference measurement procedure and evaluation of a candidate reference material. CCLM 2010; 48(11), 1585-1592. DOI: 10.1515/CCLM.2010.322

Isaksson et al. Fallbeskrivning: Nyfödd gosse med kraftigt svängande tyreoidea-värden. Klinisk Biokemi i Norden 2009; 2(21), 32-24.

Mårtensson. SKUP evaluation: Afinion system for HbA1c. Klinisk Biokemi i Norden 2009; 3(21), 56-57.

Petersen et al. How to deal with semi-quantitative tests? Application of an ordinal scale model to measurements of urine glucose. Scand J Clin Lab Invest 2009; 69(6), 662-672. doi: 10.3109/00365510902968756

Strandberg et al. Utvärdering av hållbarhet för kapillärt PK i EDTA-microtainerrör. Klinisk Biokemi i Norden 2009; 1(21), 34-38.

Aakre et al. Postanalytical external quality assessment of urine albumin in primary health care: an international survey. Clin Chem. 2008; 54(10), 1630-1636. doi: 10.1373/clinchem.2007.100917

Helander och Nordin. Insufficient standardization of a direct carbohydrate-deficient transferrin immunoassay. Clin Chem. 2008; 54(6), 1090-1092. DOI:10.1373/clinchem.2007.102145

Hyltoft Petersen et al. How to deal with dichotomous tests? Application of a rankit ordinal scale model with examples from the Nordic ordinal scale project on screening tests. SJCLI 2008; 68(4), 298-311. doi: 10.1080/00365510701742592

Nordin och Jeppsson. HbA1c – new standardization and new unit. Klinisk Biokemi i Norden 2008; 3(20), 8-16.

Karlsson et al. Kan man lita på provsvaren? Fokus på FHV 2008; 3, 16-17.

Palmqvist et al. Difficulties for primary health care staff in interpreting bacterial findings on a device for simplified urinary culture. SJLCI 2008; 68(4), 312-316. doi: 10.1080/00365510701759703

Sandberg et al. Laboratorieutrustning för primärvården bör utprövas av oberoende organ. Skandinaviska SKUP ett bra alternativ. Läkartidningen 2008; 105(46), 3334-3339.

Lund. Extern kvalitetssäkring av natriuretiska peptider - rapport från ett försöksutskick. Klinisk kemi; 2007; 1: 11-15.

Jeppsson et al. HbA1c i fokus DiabetologNytt 2007; 4-5, 152-157.

Mårtensson. Kvalitetsmål för glukosmätningar. Diskussionsförslag. DiabetologNytt 2007; 20/2(3), 115-118.

Nordin och Dybkaer. Recommendation for term and measurement unit for ‘‘HbA1c’’. CCLM 2007; 45(8), 1081-1082. doi: 10.1515/CCLM.2007.245

Nordin och Lundberg. HbA1c-resultaten är tillförlitliga, men kan bli bättre. Diabetesvård 2007; 1, 12-14.

Boley et al. Comparability of PT schemes – what did we learn from COEPT? Accred Qual Assur. 2006; 11, 391-399. DOI:10.1007/s00769-006-0106-z

Grubb och Nordin. Notable steps in obtaining improved estimates for glomerular filtration rate. Clin Chem. 2006; 52(2), 169-170. https://doi.org/10.1373/clinchem.2005.062737

Nordin et al. Oklar information om natriuretiska peptider från Läkemedelsverket. Läkartidningen 2006; 103(19), e38-e39.

Russell, A. J., U. Örnemark, et al. Accreditation of PT providers – is it worth the money? Accred Qual Assur 2006, 11: 388-390.

Schmidt et al. Surveys on the accreditation of providers of proficiency testing and external quality assessment schemes. Accred Qual Assur. 2006; 11, 379-384. 10.1007/S00769-006-0110-3

Vives Corrons, J. L., M. Van Blerk, et al. Guidelines for setting up an external quality assessment scheme for blood smear interpretation. Part II: survey preparation, statistical evaluation and reporting. CCLM 2006; 44(8), 1039-1043. doi: 10.1515/CCLM.2006.174

Örnemark et al. Calibration services in the frame of accredited coagulation EQA schemes – Meeting the IVD directive. Accred Qual Assur. 2006; 11, 451-454.  https://doi.org/10.1007/s00769-006-0107-y

Egberg et al. Guidelines on preparation, certification, and use of certified plasmas for ISI calibration and INR determination – a rebuttal. J Thromb Haemost. 2005; 3(10), 2370-2371.

Lindstedt et al. Laboratoriemässig tyreoideadiagnostik – Samarbete över disciplingränserna. Internationell konsensus i svenskt perspektiv. Läkartidningen 2005; 102(5), 302-306.

Lindstedt et al. Ny möjlighet till laboratorieutredning av oklara fall. Fyra patientfall illustrerar värdet av EQUALIS. Läkartidningen 2005; 102(5), 296-301.

Lindstedt et al. Om referensintervallsgränser och beslutsgränser för TSH koncentrationen. Klinisk Biokemi i Norden 2005; 17(1), 16-26.

Nordin et al. Får en laboratorieundersökning kallas vad som helst? Läkartidningen 2005; 102(17), 1308-1315.

Skeie et al. Post-analytical external quality assurance of Blood glucose and HbA1c. An international survey. Clin. Chem. 2005; 51(7), 1145-1153. doi: 10.1373/clinchem.2005.048488

Felding et al. Reference individuals, blood collection, treatment of samples and descriptive data from the questionnaire in the Nordic reference interval project 2000. Scand J Clin Lab Invest. 2004; 64, 327-342. doi: 10.1080/00365510410006630

Hillarp et al. Local INR calibration of the Owren type prothrombin assay greatly improves the intra- and interlaboratory variation. Thromb Haemost. 2004; 91, 300-307. doi: 10.1160/TH03-07-0419

Lindahl et al. INR calibration of Owren-type prothrombin time based on the relationship between PT% and INR utilizing normal plasma samples. Thromb Haemost. 2004; 91, 1223-1231. doi: 10.1160/TH03-07-0456

Lindstedt et al. Makroprolaktinemi. Risk för felaktig utredning och behandling vid hyperprolaktinemi. Läkartidningen 2004; 101(6), 458-464.

Lindstedt et al. Därför bör prolaktinkoncentrationen ges med enheten mIE/l. Läkartidningen 2004; 101(6), 464-465.

Nordin et al. A Multicentre study of reference intervals for haemoglobin, basic blood cell counts and erythrocyte indices in the adult population of the Nordic countries. Scand J Clin Lab Invest. 2004; 64, 385-398. doi: 10.1080/00365510410002797

Pedersen et al. The Nordic Trueness project 2002 – Use of reference measurement procedure values in a general clinical survey. Scand J Clin Lab Invest. 2004; 64, 309-320. doi: 10.1080/00365510410002805

Rustad et al. The Nordic reference interval project 2000: recommended reference intervals for 25 common biochemical properties. Scand J Clin Lab Invest. 2004; 64, 271-284. doi: 10.1080/00365510410006324

Vives Corrons et al. Guidelines for blood smear preparation and staining procedure for setting up an external quality assessment scheme for blood smear interpretation. Part I: control material. CCLM 2004; 42(8), 922-926. doi: 10.1515/CCLM.2004.149

Örnemark et al. Policies, requirements and surveys concerning frequency for participation in proficiency testing schemes. Accred Qual Assur. 2004; 9, 729-732. https://doi.org/10.1007/s00769-004-0858-2