title: Report: Unexplained dealths in infancy, 2004.
mesh_terms: D002423:Cause of Death; D004739:England / Q000453:epidemiology; D005260:Female; D006801:Humans; D007223:Infant; D007226:Infant Mortality / Q000639:trends*; D007231:Infant, Newborn; D008297:Male; D013398:Sudden Infant Death / Q000453:epidemiology; D014798:Vital Statistics; D014852:Wales / Q000453:epidemiology