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Scandinavian Journal of Clinical and Laboratory Investigation|June 15, 2017
Albumin adjustment of total calcium does not improve the estimation of calcium statusPeter Ridefelt, Johanna Helmersson-Karlqvist
Clinical Biochemistry|March 18, 2014
Increased plasma glucose levels after change of recommendation from NaF to citrate blood collection tubesPeter Ridefelt, Torbjörn Åkerfeldt, Johanna Helmersson-Karlqvist
European Journal of Preventive Cardiology|April 3, 2016
Cystatin C-based glomerular filtration rate associates more closely with mortality than creatinine-based or combined glomerular filtration rate equations in unselected patientsJohanna Helmersson-Karlqvist, Johan Ärnlöv, Anders Larsson
Clinical Biochemistry|October 9, 2012
Day-to-day variation of urinary NGAL and rational for creatinine correctionJohanna Helmersson-Karlqvist, Johan Arnlöv, Anders Larsson
Clinical Biochemistry|June 28, 2025
Long time monitoring of serum lithium results using patient median values show stable test results over a time period of more than 20 yearsAnders Larsson, Johanna Helmersson-Karlqvist, Mathias Karlsson
Clinical Laboratory|July 15, 2014
Estimation of the possible economic effects of a sequential testing strategy with NT-proBNP before echocardiography in primary careBanafsheh Seyyed Khezri, Johanna Helmersson-Karlqvist, Anders Larsson
Clinical Rheumatology|March 12, 2017
Seasonal variations of urate in a Swedish adult populationAxel Åkerblom, Johanna Helmersson-Karlqvist, Tomas Weitoft, et al.
Journal of Thrombosis and Thrombolysis|January 2, 2014
Evaluation of the Alere D-dimer test for point of care testingJohanna Helmersson-Karlqvist, Bo Karlsson, Annika Fredriksson, et al.
Cardiorenal Medicine|December 10, 2015
Comparison between Cystatin C- and Creatinine-Estimated Glomerular Filtration Rate in Cardiology PatientsAxel Åkerblom, Johanna Helmersson-Karlqvist, Mats Flodin, et al.
European Heart Journal|June 22, 2013
Prostaglandin F2α formation is associated with mortality in a Swedish community-based cohort of older malesJohanna Helmersson-Karlqvist, Johan Ärnlöv, Anders Larsson, et al.
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