title: The changing face of preterm birth.
authors.affiliation: Department of Reproductive Health and Research, World Health Organization, Geneva, Switzerland.
authors.forename: Mario
authors.initials: M
authors.lastname: Merialdi
authors.forename: Jeffrey C
authors.initials: JC
authors.lastname: Murray
mesh_terms: D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007752:Obstetric Labor, Premature / Q000097:blood / Q000453:epidemiology; D011247:Pregnancy; D047928:Premature Birth / Q000097:blood* / Q000453:epidemiology*