Librería: liu xing, Nanjing, JS, China
paperback. Condición: New. Paperback. Pub Date: 2020-05-01 Pages: 199 Language: Chinese Publisher: Renmin University of China Press has densely populated colleges and universities. closed premises. strong mobility. and high social attention. It is the prevention and control of epidemics in public health emergencies Important position.?The new crown pneumonia epidemic that began at the end of 2019 is highly contagious. has a long incubation period. and has unobvious symptoms in some patients. The epidemic prevention and. Nº de ref. del artículo: NS039067
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