title: Socio-economic disparities in maternal mortality in China between 1996 and 2006.
authors.affiliation: Department of Health Policy and Administration, School of Public Health, Peking University, Beijing, China.
authors.forename: X L
authors.initials: XL
authors.lastname: Feng
authors.forename: J
authors.initials: J
authors.lastname: Zhu
authors.forename: L
authors.initials: L
authors.lastname: Zhang
authors.forename: L
authors.initials: L
authors.lastname: Song
authors.forename: D
authors.initials: D
authors.lastname: Hipgrave
authors.forename: S
authors.initials: S
authors.lastname: Guo
authors.forename: C
authors.initials: C
authors.lastname: Ronsmans
authors.forename: Y
authors.initials: Y
authors.lastname: Guo
authors.forename: Q
authors.initials: Q
authors.lastname: Yang