Thomas Røraas

A checklist for critical appraisal of studies of biological variation

William A. Bartlett, Federica Braga, Anna Carobene et al. · Clinical Chemistry and Laboratory Medicine (CCLM) · 2015 · 148 citations · Full text

Phenotypic Variation, Fitness, Natural Selection +20

Confidence Intervals and Power Calculations for Within-Person Biological Variation: Effect of Analytical Imprecision, Number of Replicates, Number of Samples, and Number of Individuals

Thomas Røraas, Per Hyltoft Petersen, Sverre Sandberg · Clinical Chemistry · 2012 · 131 citations · Full text

Biological Variation: The Effect of Different Distributions on Estimated Within-Person Variation and Reference Change Values

Thomas Røraas, Bård Støve, Per Hyltoft Petersen et al. · Clinical Chemistry · 2016 · 124 citations

Sample collections from healthy volunteers for biological variation estimates’ update: a new project undertaken by the Working Group on Biological Variation established by the European Federation of Clinical Chemistry and Laboratory Medicine

Anna Carobene, Marta Strollo, Niels Jonker et al. · Clinical Chemistry and Laboratory Medicine (CCLM) · 2016 · 106 citations · Full text

The EuBIVAS: Within- and Between-Subject Biological Variation Data for Electrolytes, Lipids, Urea, Uric Acid, Total Protein, Total Bilirubin, Direct Bilirubin, and Glucose

Aasne K. Aarsand, Jorge Díaz–Garzón, Pilar Fernández–Calle et al. · Clinical Chemistry · 2018 · 97 citations · Full text