Absent microsurface pattern is characteristic of early gastric cancer of undifferentiated type: magnifying endoscopy with narrow-band imaging by Kanesaka, Takashi, MD, Sekikawa, Akira, MD, PhD, Tsumura, Takehiko, MD, PhD, Maruo, Takanori, MD, Osaki, Yukio, MD, PhD, Wakasa, Tomoko, MD, PhD, Shintaku, Masayuki, MD, PhD, Yao, Kenshi, MD, PhD

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Active opening and closing movements of the orifices of esophageal intramural pseudodiverticulosis by Shintaku, Masako, MD, Nishida, Takuro, MD, Shiomi, Keisuke, MD, Shintaku, Masayuki, MD

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