title: Gasless abdomen in neonates with orotracheal tubes.
mesh_terms: D000005:Abdomen; D005260:Female; D005500:Follow-Up Studies; D005740:Gases; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D007422:Intestines; D007442:Intubation, Intratracheal / Q000009:adverse effects*; D008297:Male; D011379:Prognosis; D012121:Respiration, Artificial; D012189:Retrospective Studies
chemical_list: D005740:Gases