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2. Brushing cytology of the upper gastrointestinal tract. Obsolete or not?;Wang;Acta Cytol,1991
3. The endoscopic diagnosis of gastroesophageal malignancy. A cytologic review;Chambers;Acta Cytol,1986
4. Endoscopic biopsies and cytologic brushings of the esophagus are diagnostically complementary;Geisinger;Am J Clin Pathol,1995
5. Brushing cytology for the diagnosis of gastric cancer involving the cardia or the lower esophagus;Kobayashi;Acta Cytol,1978