Is submucosal epinephrine injection necessary before polypectomy? A prospective, comparative study.
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S. D. Lee | F. Chang | Shou-Dong Lee | A. Li | Y. Hsieh | C. Perng | Hwai-Jeng Lin | H. J. Lin | G. Tseng | G. Tseng | A. Li | H. Lin | Anna Fen-Yau Li