title: [Osoteoporosis in the elderly: a perspective from the calcium regulating hormones].
authors.forename: Ryo
authors.initials: R
authors.lastname: Okazaki
mesh_terms: D000368:Aged; D002118:Calcium / Q000378:metabolism*; D006801:Humans; D010024:Osteoporosis / Q000209:etiology*; D010281:Parathyroid Hormone / Q000502:physiology* / Q000627:therapeutic use; D014808:Vitamin D Deficiency / Q000503:physiopathology
chemical_list: D010281:Parathyroid Hormone; D002118:Calcium