Letter: Cot deaths.
D000367:Age Factors; D001512:Bedding and Linens; D001833:Body Temperature Regulation; D003645:Death, Sudden; D004562:Electrocardiography; D006325:Heart Atria / Q000503:physiopathology; D006329:Heart Conduction System / Q000503:physiopathology; D006801:Humans; D007112:Immunity, Maternally-Acquired; D007223:Infant; D007231:Infant, Newborn; D008425:Maternal Behavior; D014777:Virus Diseases