[Efficacy of calcium in the treatment of patients with osteogenic sarcoma].
D001859:Bone Neoplasms / Q000188:drug therapy*; D002118:Calcium / Q000627:therapeutic use*; D006801:Humans; D012516:Osteosarcoma / Q000188:drug therapy*
D002118:Calcium
Effektivnost' preparatov kal'tsiia pri lechenii bol'nykh osteogennoĭ sarkomoĭ.