%0 Journal Article %T Genetic and antigenic evolution of H9N2 subtype avian influenza virus in domestic chickens in southwestern China, 2013¨C2016 %A Jia-Qi Cui %A Jing Xia %A Ke-Chang Yao %A San-Jie Cao %A Xiao He %A Xin-Feng Han %A Yong Huang %A Yue-Yue Liu %J Archive of "PLoS ONE". %D 2017 %R 10.1371/journal.pone.0171564 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5291408/