Abstract
Ko, FWS; Chan, KP; Ngai, J; Ng, SS; Yip, WH; Chan, TO; Hui, DSC
Hui, DSC (corresponding author), Chinese Univ Hong Kong, Dept Med & Therapeut, Div Resp Med, Prince Wales Hosp,Shatin, 33 Ngan Shing St, Hong Kong, Peoples R China.
RESPIROLOGY, ; ():