by Ko, Fanny W.S., Ng, Tony K.C., Li, Thomas S.T., Fok, Joan P.C., Chan, Michael C.H., Wu, Alan K.L., Hui, David S.C.
Published in Respiratory medicine (01.04.2005)

by Ip, Margaret, Chan, Paul K. S., Lee, Nelson, Wu, Alan, Ng, Tony K. C., Chan, Louis, Ng, Albert, Kwan, H. M., Tsang, Lily, Chu, Ida, Cheung, Jo L. K., Sung, Joseph J. Y., Tam, John S.
Published in Clinical infectious diseases (15.06.2004)

by Ng, T K, Ling, J M, Cheng, A F, Norrby, S R
Published in Scandinavian journal of infectious diseases. Supplementum (1996)