title: The effect of 1alpha-hydroxycholecalciferol and hormone therapy on the calcium balance of post-menopausal osteoporosis.
mesh_terms: D001861:Bone Regeneration; D001862:Bone Resorption; D001842:Bone and Bones / Q000378:metabolism; D002118:Calcium / Q000378:metabolism; D002986:Clinical Trials as Topic; D004997:Ethinyl Estradiol / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D006887:Hydroxycholecalciferols / Q000627:therapeutic use*; D006909:Hydroxyproline / Q000652:urine; D007408:Intestinal Absorption; D008593:Menopause; D009640:Norethindrone / Q000627:therapeutic use*; D010024:Osteoporosis / Q000378:metabolism*; D013518:Surgery, Plastic / Q000009:adverse effects*
chemical_list: D006887:Hydroxycholecalciferols; D004997:Ethinyl Estradiol; D006909:Hydroxyproline; D002118:Calcium; D009640:Norethindrone