Choice of cases--with special reference to SIDS.
D002423:Cause of Death; D003937:Diagnosis, Differential; D004812:Epidemiologic Methods; D006801:Humans; D015994:Incidence; D007223:Infant; D007231:Infant, Newborn; D012621:Seasons; D015983:Selection Bias; D013398:Sudden Infant Death / Q000453:epidemiology* / Q000473:pathology