title: Chemotherapy versus chemoradiotherapy in inoperable esophageal cancer. Results of three controlled studies.
mesh_terms: D000970:Antineoplastic Agents / Q000009:adverse effects* / Q000494:pharmacology; D002986:Clinical Trials as Topic; D004359:Drug Therapy, Combination; D004938:Esophageal Neoplasms / Q000188:drug therapy* / Q000532:radiotherapy; D006801:Humans; D011897:Random Allocation
chemical_list: D000970:Antineoplastic Agents