title: Estrogens and postmenopausal osteoporosis.
mesh_terms: D000818:Animals; D001842:Bone and Bones / Q000502:physiology; D002113:Calcification, Physiologic; D002118:Calcium / Q000502:physiology; D004967:Estrogens / Q000502:physiology / Q000627:therapeutic use; D005260:Female; D006706:Homeostasis; D006801:Humans; D008593:Menopause; D010024:Osteoporosis / Q000188:drug therapy / Q000209:etiology / Q000517:prevention & control
chemical_list: D004967:Estrogens; D002118:Calcium