title: Association between -238 but not -308 polymorphism of Tumor necrosis factor alpha (TNF-alpha)v and unexplained recurrent spontaneous abortion (URSA) in Chinese population.
authors.affiliation: National Research Institute for Family Planning, Beijing, 100081 China.
authors.forename: Chunmei
authors.initials: C
authors.lastname: Liu
authors.forename: Jing
authors.initials: J
authors.lastname: Wang
authors.forename: Sirui
authors.initials: S
authors.lastname: Zhou
authors.forename: Binbin
authors.initials: B
authors.lastname: Wang
authors.forename: Xu
authors.initials: X
authors.lastname: Ma