title: Calcium-PTH-vitamin D axis in older patients with hip fracture.
authors.forename: A A
authors.initials: AA
authors.lastname: Fisher
authors.forename: M W
authors.initials: MW
authors.lastname: Davis
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D015415:Biomarkers / Q000097:blood; D001842:Bone and Bones / Q000503:physiopathology; D002118:Calcium / Q000097:blood*; D002136:Calcium, Dietary / Q000008:administration & dosage; D015331:Cohort Studies; D005260:Female; D006620:Hip Fractures / Q000097:blood*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010281:Parathyroid Hormone / Q000097:blood*; D014807:Vitamin D / Q000031:analogs & derivatives* / Q000097:blood
chemical_list: D015415:Biomarkers; D002136:Calcium, Dietary; D010281:Parathyroid Hormone; D014807:Vitamin D; C104450:25-hydroxyvitamin D; D002118:Calcium