by Chan, P F, Lai, L K P, Wong, S N, Chao, D V K, Lau, I T
Published in Hong Kong medical journal = Xianggang yi xue za zhi (01.04.2013)

by Chan, P F, Lai, L K P, Wong, S N, Chao, D V K, Lau, I T
Published in Hong Kong medical journal = Xianggang yi xue za zhi (01.04.2013)

by Lee, Y T, Sung, J J, Poon, P, Lai, K N, Li, P K
Published in Scandinavian journal of gastroenterology (1998)