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Leung, Ting Fan, Chung Yi Li, Wai Yip Lam, Gary W. K. Wong, Edmund Cheuk, Margaret Ip, Pak Cheung Ng, i Paul K. S. Chan. Epidemiology and Clinical Presentations of Human Coronavirus NL63 Infections in Hong Kong Children. American Society for Microbiology (ASM), 2009.

Leung, Ting Fan, et al. Epidemiology and Clinical Presentations of Human Coronavirus NL63 Infections in Hong Kong Children. American Society for Microbiology (ASM), 2009.