title: Postextubation atelectasis-the role of oral versus nasal endotracheal tubes.
mesh_terms: D006801:Humans; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000209:etiology*; D007442:Intubation, Intratracheal / Q000009:adverse effects* / Q000379:methods; D011446:Prospective Studies; D001261:Pulmonary Atelectasis / Q000209:etiology*; D011897:Random Allocation; D012306:Risk