Risk Factors for SARS among Persons without Known Contact with SARS Patients, Beijing, China

por Wu, Jiang, Xu, Fujie, Zhou, Weigong, Feikin, Daniel R., Lin, Chang-Ying, He, Xiong, Zhu, Zonghan, Liang, Wannian, Chin, Daniel P., Schuchat, Anne
Publicado 2004