Authors: K Y Yuen; P K Chan; M Peiris; D N Tsang; T L Que; K F Shortridge; P T Cheung; W K To; E T Ho; R Sung; A F Cheng Journal: Lancet Date: 1998-02-14 Impact factor: 79.321
Authors: C Buxton Bridges; J M Katz; W H Seto; P K Chan; D Tsang; W Ho; K H Mak; W Lim; J S Tam; M Clarke; S G Williams; A W Mounts; J S Bresee; L A Conn; T Rowe; J Hu-Primmer; R A Abernathy; X Lu; N J Cox; K Fukuda Journal: J Infect Dis Date: 2000-01 Impact factor: 5.226