Surveillance and Genetic Variation Analysis of S1 Gene of Porcine Epidemic Diarrhea Virus in Part Provinces and Municipalities of China from 2018 to 2020
YAN Zhong, YANG Hanchun
China Animal Husbandry and Veterinary Medicine . 2022, (2): 424 -434 .  DOI: 10.16431/j.cnki.1671-7236.2022.02.003