by Lau, George K K, Yiu, Harry H Y, Fong, Daniel Y T, Cheng, Hoi-Ching, Au, Wing-Yan, Lai, Lydia S F, Cheung, Micheal, Zhang, Hai-Ying, Lie, Albert, Ngan, Roger, Liang, Raymond
Published in Gastroenterology (New York, N.Y. 1943) (01.12.2003)

by Ngan, R. K. C., Yiu, H. H. Y., Lau, W. H., Yau, S., Cheung, F. Y., Chan, T. M., Kwok, C. H., Chiu, C. Y., Au, S. K., Foo, W., Law, C. K., Tse, K. C.
Published in Annals of oncology (01.08.2002)

by Cheung, KM, Ngan, RKC, Chow, JCH, Lee, TY, Li, KWS, Cheng, HC, Leung, CWL, Yiu, HHY, Yau, S, Au, JSK, Wong, KH
Published in Hong Kong journal of radiology : HKJR = Xianggang fang she ke yi xue za zhi (28.06.2018)

by NGAN, Roger K. C, YIU, Harry H. Y, CHENG, Harold K. M, CHAN, John K. C, SIN, Vai-Chong, LAU, Wai-Hon
Published in Cancer (15.01.2002)