title: Effect of maternal hepatitis B carrier status on first-trimester markers of Down syndrome.
authors.affiliation: Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Linkou Medical Center, Taoyuan, Taiwan. pjcheng@cgmh.org.tw
authors.forename: Po-Jen
authors.initials: PJ
authors.lastname: Cheng
authors.forename: Shang-Yu
authors.initials: SY
authors.lastname: Huang
authors.forename: Sheng-Wen
authors.initials: SW
authors.lastname: Shaw
authors.forename: Ho-Yen
authors.initials: HY
authors.lastname: Chueh
authors.forename: Ching-Hwa
authors.initials: CH
authors.lastname: Hsiao
authors.forename: T'sang-T'ang
authors.initials: TT
authors.lastname: Hsieh