Evaluation of Virulence and Immune Effect of a Duck Paramyxovirus Type Ⅰ Strain
ZHANG Ji-pei, TAN Hua-long, CHEN Gang, ZENG Qiang, ZHANG Fu-ying, CHEN Jian-hong
《中国畜牧兽医》 . 2017, (4): 1168 -1174 .  DOI: 10.16431/j.cnki.1671-7236.2017.04.032