title: A clinical trial of methotrexate (NSC-740) and radiation therapy for squamous cell carcinoma of the lung.
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000188:drug therapy / Q000401:mortality / Q000532:radiotherapy / Q000628:therapy*; D006801:Humans; D008175:Lung Neoplasms / Q000188:drug therapy / Q000401:mortality / Q000532:radiotherapy / Q000628:therapy*; D008727:Methotrexate / Q000627:therapeutic use*; D013752:Tetracycline / Q000627:therapeutic use; D013997:Time Factors
chemical_list: D013752:Tetracycline; D008727:Methotrexate