title: Osteocalcin levels in osteogenesis imperfecta.
mesh_terms: D000293:Adolescent; D002135:Calcium-Binding Proteins / Q000097:blood*; D002648:Child; D006801:Humans; D015675:Osteocalcin; D010013:Osteogenesis Imperfecta / Q000097:blood*
chemical_list: D002135:Calcium-Binding Proteins; D015675:Osteocalcin