title: Cloning and identification of porcine programmed death 1.
authors.affiliation: Division of Swine Infectious Diseases, National Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute of Chinese Academy of Agricultural Sciences, Harbin 150001, China.
authors.forename: Jin-Mei
authors.initials: JM
authors.lastname: Peng
authors.forename: Zhi-Jun
authors.initials: ZJ
authors.lastname: Tian
authors.forename: Heng-Gui
authors.initials: HG
authors.lastname: Liu
authors.forename: Tong-Qing
authors.initials: TQ
authors.lastname: An
authors.forename: Yan-Jun
authors.initials: YJ
authors.lastname: Zhou
authors.forename: Yao
authors.initials: Y
authors.lastname: Wang
authors.forename: Deng-Yun
authors.initials: DY
authors.lastname: Li
authors.forename: Jia-Zeng
authors.initials: JZ
authors.lastname: Chen
authors.forename: Yong-Qian
authors.initials: YQ
authors.lastname: Yang
authors.forename: Guang-Zhi
authors.initials: GZ
authors.lastname: Tong