Direct vision brush cytology in the diagnosis of gastric disease.
D003581:Cytodiagnosis; D003937:Diagnosis, Differential; D004847:Epithelial Cells; D005188:False Negative Reactions; D005189:False Positive Reactions; D005751:Gastric Lavage; D006801:Humans; D008722:Methods; D013272:Stomach Diseases / Q000175:diagnosis*; D013274:Stomach Neoplasms / Q000175:diagnosis*