title: Undifferentiated small-cell (oat-cell) carcinoma of lung: prospects for long-term survival.
mesh_terms: D018288:Carcinoma, Small Cell / Q000188:drug therapy* / Q000401:mortality / Q000532:radiotherapy; D006801:Humans; D008175:Lung Neoplasms / Q000188:drug therapy* / Q000401:mortality / Q000532:radiotherapy; D008727:Methotrexate / Q000627:therapeutic use; D009607:Nitrosourea Compounds / Q000627:therapeutic use; D011379:Prognosis
chemical_list: D009607:Nitrosourea Compounds; D008727:Methotrexate