title: Factor V Leiden as a risk factor for preterm birth--a population-based nested case-control study.
authors.affiliation: Department of Hemostasis, Finnish Red Cross Blood Service, Helsinki, Finland. leena.hiltunen@bts.redcross.fi
authors.forename: L M
authors.initials: LM
authors.lastname: Hiltunen
authors.forename: H
authors.initials: H
authors.lastname: Laivuori
authors.forename: A
authors.initials: A
authors.lastname: Rautanen
authors.forename: R
authors.initials: R
authors.lastname: Kaaja
authors.forename: J
authors.initials: J
authors.lastname: Kere
authors.forename: T
authors.initials: T
authors.lastname: Krusius
authors.forename: V
authors.initials: V
authors.lastname: Rasi
authors.forename: M
authors.initials: M
authors.lastname: Paunio