title: Authors' reply: changes in risk factors for preterm birth in Western Australia 1984-2006.
authors.affiliation: The Telethon Institute for Child Health Research, West Perth, WA, Australia.
authors.forename: G C
authors.initials: GC
authors.lastname: Hammond
authors.forename: A T
authors.initials: AT
authors.lastname: Langridge
authors.forename: H
authors.initials: H
authors.lastname: Leonard
authors.forename: R
authors.initials: R
authors.lastname: Hagan
authors.forename: P
authors.initials: P
authors.lastname: Jacoby
authors.forename: N
authors.initials: N
authors.lastname: Deklerk
authors.forename: F
authors.initials: F
authors.lastname: Stanley
mesh_terms: D001249:Asthma / Q000453:epidemiology*; D005260:Female; D006558:Herpes Genitalis / Q000453:epidemiology*; D006801:Humans; D006973:Hypertension / Q000453:epidemiology*; D007752:Obstetric Labor, Premature / Q000453:epidemiology*; D011225:Pre-Eclampsia / Q000453:epidemiology*; D011247:Pregnancy; D018566:Pregnancy, High-Risk; D047928:Premature Birth / Q000453:epidemiology*