Why do colon tumours respond poorly to chemotherapeutic agents?
D000970:Antineoplastic Agents / Q000494:pharmacology; D002455:Cell Division / Q000187:drug effects; D003110:Colonic Neoplasms / Q000098:blood supply / Q000188:drug therapy*; D004351:Drug Resistance; D006801:Humans
D000970:Antineoplastic Agents