Authors: Patrick C Y Woo; Susanna K P Lau; Hoi-wah Tsoi; Kwok-hung Chan; Beatrice H L Wong; Xiao-yan Che; Victoria K P Tam; Sidney C F Tam; Vincent C C Cheng; Ivan F N Hung; Samson S Y Wong; Bo-jian Zheng; Yi Guan; Kwok-yung Yuen Journal: Lancet Date: 2004-03-13 Impact factor: 79.321
Authors: G M Leung; W W Lim; L-M Ho; T-H Lam; A C Ghani; C A Donnelly; C Fraser; S Riley; N M Ferguson; R M Anderson; A J Hedley Journal: Epidemiol Infect Date: 2006-04 Impact factor: 2.451