title: [Quasispecies investigation on swine hepatitis E viruses].
authors.affiliation: College of Animal Sciences, Shandong Agricultural University, Taian 271018, China. zhangxiying117@163.com
authors.forename: Xi-Ying
authors.initials: XY
authors.lastname: Zhang
authors.forename: Rui-Liang
authors.initials: RL
authors.lastname: Zhu
authors.forename: Yu-Min
authors.initials: YM
authors.lastname: Zhu
authors.forename: Shi-Juan
authors.initials: SJ
authors.lastname: Dong
authors.forename: Rui-Song
authors.initials: RS
authors.lastname: Yu
authors.forename: Shi-Yuan
authors.initials: SY
authors.lastname: Shen
authors.forename: Zhen-Yong
authors.initials: ZY
authors.lastname: Wang
authors.forename: Zhen
authors.initials: Z
authors.lastname: Li