title: The epidemiology of sudden infant death syndrome.
mesh_terms: D000293:Adolescent; D000328:Adult; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D013398:Sudden Infant Death / Q000209:etiology*; D014852:Wales