title: Extreme prematurity: the aetiology of preterm delivery.
authors.forename: P R
authors.initials: PR
authors.lastname: Bennett
authors.forename: M G
authors.initials: MG
authors.lastname: Elder
mesh_terms: D036861:Delivery, Obstetric; D005260:Female; D005317:Fetal Growth Retardation / Q000209:etiology; D006470:Hemorrhage / Q000209:etiology; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D007752:Obstetric Labor, Premature; D011225:Pre-Eclampsia / Q000209:etiology; D011247:Pregnancy