Estrogen plus a progestin for prevention of postmenopausal osteoporosis.
D002986:Clinical Trials as Topic; D004334:Drug Administration Schedule; D004359:Drug Therapy, Combination; D004967:Estrogens / Q000008:administration & dosage / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008593:Menopause; D010024:Osteoporosis / Q000209:etiology / Q000517:prevention & control*; D011372:Progestins / Q000008:administration & dosage / Q000627:therapeutic use*
D004967:Estrogens; D011372:Progestins