title: Letter: Sudden infant death.
mesh_terms: D000161:Acoustic Stimulation / Q000009:adverse effects; D003645:Death, Sudden; D006323:Heart Arrest / Q000150:complications / Q000209:etiology; D006339:Heart Rate; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000401:mortality