title: Phase I study of high doses of methotrexate with citrovorum factor in patients with lung cancer.
mesh_terms: D000230:Adenocarcinoma / Q000000981:diagnostic imaging / Q000188:drug therapy; D000328:Adult; D001855:Bone Marrow Diseases / Q000139:chemically induced; D002294:Carcinoma, Squamous Cell / Q000000981:diagnostic imaging / Q000188:drug therapy; D006801:Humans; D002955:Leucovorin / Q000627:therapeutic use*; D008175:Lung Neoplasms / Q000000981:diagnostic imaging / Q000188:drug therapy*; D008297:Male; D008727:Methotrexate / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D011859:Radiography
chemical_list: D002955:Leucovorin; D008727:Methotrexate