<span class="fontstyle0">Analysis of avian influenza viruses surveillance results in the external environment in Gansu Province from 2017 to 2018</span>

LI Bao-di, LI Hong-yu, XU Cong-shan, ZHANG Hui, WANG Xue-ying, ZHAO Zhe, WANG Peng, YU De-shan

Journal of Tropical Diseases and Parasitology . 2021, (4): 185 - .