title: Phase II trial of dichloromethotrexate in epidermoid carcinoma of the esophagus.
mesh_terms: D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000188:drug therapy* / Q000473:pathology; D002986:Clinical Trials as Topic; D004341:Drug Evaluation; D004938:Esophageal Neoplasms / Q000188:drug therapy* / Q000473:pathology; D006402:Hematologic Diseases / Q000139:chemically induced; D006801:Humans; D008727:Methotrexate / Q000009:adverse effects / Q000031:analogs & derivatives* / Q000627:therapeutic use; D008875:Middle Aged
chemical_list: C004763:3',5'-dichloromethotrexate; D008727:Methotrexate