[Methotrexate and 5-fluorouracil with leucovorin therapy in advanced gastric cancer: the enhancement of 5-fluorouracil antitumor activity by leucovorin].
D000328:Adult; D000368:Aged; D000971:Antineoplastic Combined Chemotherapy Protocols / Q000627:therapeutic use*; D004334:Drug Administration Schedule; D004357:Drug Synergism; D005260:Female; D005472:Fluorouracil / Q000008:administration & dosage*; D006801:Humans; D002955:Leucovorin / Q000008:administration & dosage*; D008297:Male; D008727:Methotrexate / Q000008:administration & dosage; D008875:Middle Aged; D013274:Stomach Neoplasms / Q000188:drug therapy*
D002955:Leucovorin; D005472:Fluorouracil; D008727:Methotrexate