Respiratory infection and sudden infant death.
D006801:Humans; D000860:Hypoxia / Q000150:complications* / Q000209:etiology; D007223:Infant; D016032:Randomized Controlled Trials as Topic; D012141:Respiratory Tract Infections / Q000150:complications*; D012307:Risk Factors; D012621:Seasons; D012907:Smoking / Q000009:adverse effects; D013398:Sudden Infant Death / Q000209:etiology*