title: Loco-regional localization pattern of head and neck tumors treated with general chemotherapy (methotrexate and bleomycin).
mesh_terms: D000368:Aged; D001761:Bleomycin / Q000627:therapeutic use*; D002294:Carcinoma, Squamous Cell / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D004341:Drug Evaluation; D004359:Drug Therapy, Combination; D005260:Female; D006258:Head and Neck Neoplasms / Q000188:drug therapy*; D006801:Humans; D007275:Injections, Intravenous; D008297:Male; D008727:Methotrexate / Q000627:therapeutic use*
chemical_list: D001761:Bleomycin; D008727:Methotrexate