title: Report: infant and perinatal mortality by social and biological factors, 2003.
mesh_terms: D000293:Adolescent; D000328:Adult; D001724:Birth Weight; D004641:Emigration and Immigration; D004739:England / Q000453:epidemiology; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D008297:Male; D008423:Maternal Age; D010298:Parity; D011247:Pregnancy; D011256:Pregnancy Outcome / Q000453:epidemiology*; D012959:Socioeconomic Factors; D014852:Wales / Q000453:epidemiology