title: Infant and perinatal mortality by social and biological factors, 2005.
mesh_terms: D001724:Birth Weight; D002423:Cause of Death; D004739:England / Q000453:epidemiology; D005260:Female; D046689:Fetal Mortality / Q000639:trends*; D006801:Humans; D007223:Infant; D007226:Infant Mortality / Q000639:trends*; D007231:Infant, Newborn; D008297:Male; D011247:Pregnancy; D011256:Pregnancy Outcome / Q000453:epidemiology; D012307:Risk Factors; D014852:Wales / Q000453:epidemiology