Postneonatal mortality in England, Wales and Sweden.
Gordon
R R
RR
D004739:England / Q000453:epidemiology; D006801:Humans; D007223:Infant; D007226:Infant Mortality / Q000639:trends*; D013398:Sudden Infant Death; D013548:Sweden / Q000453:epidemiology; D014852:Wales / Q000453:epidemiology