title: labour induction with prostaglandins: what works best? A systematic review, network meta-analysis and cost-effectiveness analysis.
authors.affiliation: University of Bristol, Bristol, UK.
authors.forename: E
authors.initials: E
authors.lastname: Keeney
authors.affiliation: University of Liverpool, Liverpool, UK.
authors.forename: Z
authors.initials: Z
authors.lastname: Alfirevic
authors.affiliation: University of Bristol, Bristol, UK.
authors.forename: D M
authors.initials: DM
authors.lastname: Caldwell
authors.affiliation: University of Liverpool, Liverpool, UK.
authors.forename: T
authors.initials: T
authors.lastname: Dowswell
authors.affiliation: University of Bristol, Bristol, UK.
authors.forename: S
authors.initials: S
authors.lastname: Dias
authors.affiliation: University of Liverpool, Liverpool, UK.
authors.forename: L
authors.initials: L
authors.lastname: Jones
authors.affiliation: University of Liverpool, Liverpool, UK.
authors.forename: K
authors.initials: K
authors.lastname: Navaratnam
authors.affiliation: University of Bristol, Bristol, UK.
authors.forename: N J
authors.initials: NJ
authors.lastname: Welton