title: The time of blood sampling for osteocalcin determinations.
authors.forename: J M
authors.initials: JM
authors.lastname: Nolla
authors.forename: A
authors.initials: A
authors.lastname: Rozadilla
mesh_terms: D001172:Arthritis, Rheumatoid / Q000097:blood*; D002940:Circadian Rhythm; D006801:Humans; D015675:Osteocalcin / Q000097:blood*
chemical_list: D015675:Osteocalcin