title: [Calcium and vitamin D play an essential role in the prevention and treatment of osteoporosis].
mesh_terms: D050071:Bone Density Conservation Agents / Q000627:therapeutic use*; D002118:Calcium / Q000627:therapeutic use*; D002136:Calcium, Dietary / Q000627:therapeutic use; D005260:Female; D006801:Humans; D015663:Osteoporosis, Postmenopausal / Q000628:therapy*; D014807:Vitamin D / Q000627:therapeutic use*
chemical_list: D050071:Bone Density Conservation Agents; D002136:Calcium, Dietary; D014807:Vitamin D; D002118:Calcium