title: [Preliminary observations on plasma 25-hydroxycholecalciferol levels in the normal population and their changes with age].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000375:Aging; D002112:Calcifediol / Q000097:blood*; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012016:Reference Values; D013030:Spain
chemical_list: D002112:Calcifediol
vernacular_title: Observaciones preliminares sobre los niveles plasmáticos de 25-hidroxicolecalciferol en la población normal y su variación con la edad.