[Comparative observations on advanced cancers of the esophagus and gastric cardia with or without chemotherapy in a high-incidence area].
D000328:Adult; D000368:Aged; D000970:Antineoplastic Agents / Q000009:adverse effects; D002299:Cardia; D004938:Esophageal Neoplasms / Q000188:drug therapy*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013274:Stomach Neoplasms / Q000188:drug therapy*
D000970:Antineoplastic Agents