title: Sudden infant death syndrome: an epidemiologic study.
mesh_terms: D003645:Death, Sudden; D005260:Female; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D008297:Male; D011658:Pulmonary Fibrosis / Q000401:mortality; D012621:Seasons