title: The quest for the mechanisms of the sudden infant death syndrome: doubts and progress.
mesh_terms: D000367:Age Factors; D001145:Arrhythmias, Cardiac / Q000150:complications; D004562:Electrocardiography; D006321:Heart / Q000294:innervation; D006801:Humans; D007223:Infant; D012306:Risk; D012891:Sleep Apnea Syndromes / Q000150:complications; D013398:Sudden Infant Death / Q000453:epidemiology / Q000209:etiology* / Q000503:physiopathology; D013564:Sympathetic Nervous System / Q000503:physiopathology