Value of brush cytology in diagnosis of gastric cancer.
D003581:Cytodiagnosis; D004724:Endoscopy; D005069:Evaluation Studies as Topic; D005336:Fiber Optic Technology; D006801:Humans; D011859:Radiography; D013274:Stomach Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology