title: Pneumopericardium in a neonate not artificially ventilated.
mesh_terms: D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000175:diagnosis* / Q000000981:diagnostic imaging; D008297:Male; D011026:Pneumopericardium / Q000175:diagnosis* / Q000000981:diagnostic imaging; D011859:Radiography