Infant mortality.
D001724:Birth Weight; D004739:England; D006801:Humans; D007223:Infant; D007226:Infant Mortality / Q000639:trends*; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D008297:Male; D012307:Risk Factors; D013398:Sudden Infant Death / Q000453:epidemiology / Q000209:etiology; D014852:Wales