«Excess hospital admissions for pneumonia, chronic obstructive pulmonary disease, and heart failure during influenza seasons in Hong Kong». Journal of Medical Virology. 73: 617–623. PMID15221909. doi:10.1002/jmv.20135
«Influenza-associated mortality in Hong Kong». Clinical Infectious Diseases. 39: 1611–1617. PMID15578360. doi:10.1086/425315
«Excess hospital admissions for pneumonia, chronic obstructive pulmonary disease, and heart failure during influenza seasons in Hong Kong». Journal of Medical Virology. 73: 617–623. PMID15221909. doi:10.1002/jmv.20135
«Influenza-associated mortality in Hong Kong». Clinical Infectious Diseases. 39: 1611–1617. PMID15578360. doi:10.1086/425315