title: Vitamin D status and redefining serum PTH reference range in the elderly.
authors.forename: Paul
authors.initials: P
authors.lastname: Glendenning
authors.forename: Samuel D
authors.initials: SD
authors.lastname: Vasikaran
mesh_terms: D000368:Aged; D000375:Aging / Q000097:blood*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010281:Parathyroid Hormone / Q000097:blood*; D012016:Reference Values; D014807:Vitamin D / Q000031:analogs & derivatives* / Q000097:blood*
chemical_list: D010281:Parathyroid Hormone; D014807:Vitamin D; C104450:25-hydroxyvitamin D