title: [Seasonal variation of 25-hydroxyvitamin D in a healthy population].
mesh_terms: D000293:Adolescent; D000328:Adult; D002112:Calcifediol / Q000097:blood*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012016:Reference Values; D012621:Seasons
chemical_list: D002112:Calcifediol
vernacular_title: Sezonske varijacije 25-hidroksivitamina D u zdravoj populaciji.