Liang, W., Zhu, Z., Guo, J., Liu, Z., He, X., Zhou, W., . . . Schuchat, A. (2004). Severe Acute Respiratory Syndrome, Beijing, 2003. Centers for Disease Control and Prevention.

Liang, Wannian, Zonghan Zhu, Jiyong Guo, Zejun Liu, Xiong He, Weigong Zhou, Daniel P. Chin, và Anne Schuchat. Severe Acute Respiratory Syndrome, Beijing, 2003. Centers for Disease Control and Prevention, 2004.

Liang, Wannian, et al. Severe Acute Respiratory Syndrome, Beijing, 2003. Centers for Disease Control and Prevention, 2004.