Week-to-week within-subject and between-subject biological variation of copeptin - Guldhaug, Nora Alicia; Røys, Eirik Åsen; Viste, Kristin; Thorsby, Per Medbøe; Sylte, Marit Sverresdotter; Torsvik, Janniche; Strand, Heidi; Alaour, Bashir; Marber, Michael; Omland, Torbjørn; Aakre, Kristin Moberg (Clinical chemistry and laboratory medicine, 2024)