To breathe or not to breathe.
D001049:Apnea / Q000150:complications / Q000175:diagnosis*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007234:Infant, Premature; D012306:Risk; D013398:Sudden Infant Death / Q000209:etiology / Q000503:physiopathology