title: Expression of activin A and follistatin in glioblastoma and their effects on U87 in vitro.
authors.affiliation: Department of Neurosurgery, Qilu Hospital, Medical College of Shandong University, Jinan, China.
authors.forename: D F
authors.initials: DF
authors.lastname: Zhang
authors.forename: X G
authors.initials: XG
authors.lastname: Li
authors.forename: L J
authors.initials: LJ
authors.lastname: Su
authors.forename: Q L
authors.initials: QL
authors.lastname: Meng