title: Historical development and future promise of the nitrosoureas as anticancer agents.
mesh_terms: D000477:Alkylating Agents / Q000627:therapeutic use; D000818:Animals; D000970:Antineoplastic Agents / Q000266:history / Q000627:therapeutic use*; D004357:Drug Synergism; D004359:Drug Therapy, Combination; D049673:History, 20th Century; D006801:Humans; D007939:Leukemia L1210 / Q000188:drug therapy; D009607:Nitrosourea Compounds / Q000266:history / Q000627:therapeutic use*
chemical_list: D000477:Alkylating Agents; D000970:Antineoplastic Agents; D009607:Nitrosourea Compounds