Comparative accuracy of methods used in the diagnosis of gastric cancer.
D003951:Diagnostic Errors; D004945:Esophagoscopy / Q000592:standards; D005069:Evaluation Studies as Topic; D005188:False Negative Reactions; D005189:False Positive Reactions; D005750:Gastric Juice; D005773:Gastroscopy / Q000592:standards; D006801:Humans; D011859:Radiography; D013274:Stomach Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology