Josette S Y Chor, Karry LK Ngai, William B Goggins, Martin C S Wong, Samuel Y S Wong, Nelson Lee et al
Chor J S Y, Ngai K L, Goggins W B, Wong M C S, Wong S Y S, Lee N et al.
Willingness of Hong Kong healthcare workers to accept pre-pandemic influenza vaccination at different WHO alert levels: two questionnaire surveys
BMJ 2009; 339 :b3391
doi:10.1136/bmj.b3391