title: Fast separation of 25-hydroxyvitamin D3 from 3-epi-25-hydroxyvitamin D3 in human serum by liquid chromatography-tandem mass spectrometry: variable prevalence of 3-epi-25-hydroxyvitamin D3 in infants, children, and adults.
authors.forename: Johannes M W
authors.initials: JM
authors.lastname: van den Ouweland
authors.forename: Antonius M
authors.initials: AM
authors.lastname: Beijers
authors.forename: Henny
authors.initials: H
authors.lastname: van Daal
mesh_terms: D000328:Adult; D002112:Calcifediol / Q000097:blood* / Q000737:chemistry; D002648:Child; D002675:Child, Preschool; D002853:Chromatography, Liquid; D006801:Humans; D007223:Infant; D013237:Stereoisomerism; D053719:Tandem Mass Spectrometry; D055815:Young Adult
chemical_list: D002112:Calcifediol