Wong V W S, Leong R W L, Chan F K L
Department of Medicine & Therapeutics, The Chinese University of Hong Kong, Prince of Wales Hospital, 30-32 Ngan Shing Street, Shatin, Hong Kong, China.
Dig Liver Dis. 2004 Jan;36(1):1-3. doi: 10.1016/j.dld.2003.10.003.