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Paik, Woo Hyun; Park, Young Soo; Hwang, Jin-Hyeok; Lee, Sang Hyub; Yoon, Chang Jin; Kang, Sung-Gwon; Lee, Jae Kyung; Ryu, Ji Kon; Kim, Yong-Tae; Yoon, Yong Bum
Gastrointest Endosc. 2009;69(1):55-62
Paik, Woo Hyun; Park, Young Soo; Hwang, Jin-Hyeok; Lee, Sang Hyub; Kang, Sung-Gwon; Ryu, Ji Kon; Yoon, Yong Bum; Kim, Yong-Tae; Lee, Jae Kyung; Yoon, Chang Jin
GASTROINTESTINAL ENDOSCOPY; Vol.69 1; 55-62