title: Epidemiology of birth before 28 weeks of gestation.
authors.forename: A
authors.initials: A
authors.lastname: Macfarlane
authors.forename: S
authors.initials: S
authors.lastname: Cole
authors.forename: A
authors.initials: A
authors.lastname: Johnson
authors.forename: B
authors.initials: B
authors.lastname: Botting
mesh_terms: D000328:Adult; D001724:Birth Weight; D005260:Female; D005865:Gestational Age; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007234:Infant, Premature; D007235:Infant, Premature, Diseases / Q000453:epidemiology; D008423:Maternal Age; D011247:Pregnancy; D012923:Social Class; D006113:United Kingdom