title: Retraction. Universal primers for HBV genome DNA amplification across subtypes: a case study for designing more effective viral primers.
authors.affiliation: Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 101300, China. zhangqr@big.ac.cn
authors.forename: Qingrun
authors.initials: Q
authors.lastname: Zhang
authors.forename: Guanghua
authors.initials: G
authors.lastname: Wu
authors.forename: Elliott
authors.initials: E
authors.lastname: Richards
authors.forename: Shan'gang
authors.initials: S
authors.lastname: Jia
authors.forename: Changqing
authors.initials: C
authors.lastname: Zeng