title: Brief historical statement: chemotherapy of malignant tumors in the U.S.S.R.
mesh_terms: D000970:Antineoplastic Agents / Q000266:history* / Q000627:therapeutic use; D049673:History, 20th Century; D006801:Humans; D012106:Research / Q000266:history; D014586:USSR
chemical_list: D000970:Antineoplastic Agents