A study of postneonatal infant deaths.
D001315:Australia; D003645:Death, Sudden; D006306:Health Surveys; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000401:mortality; D012959:Socioeconomic Factors; D006113:United Kingdom