Hospital Authority audit of the outcome of endoscopic resection of superficial upper gastro-intestinal lesions in Hong Kong by Teoh, Anthony Y B, Chiu, Philip W Y, Chan, S Y, Cheung, Frances K Y, Chu, K M, Kao, S S, Lai, T W, Lau, C W, Law, Simon Y K, Leung, Canice T L, Leung, W K, Tong, Daniel K H, Tsang, S H

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