title: The persistent loop sign in neonatal necrotizing enterocolitis: a new cause.
mesh_terms: D004761:Enterocolitis, Pseudomembranous / Q000150:complications / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007415:Intestinal Obstruction / Q000000981:diagnostic imaging / Q000209:etiology*; D007421:Intestine, Small / Q000000981:diagnostic imaging*; D011859:Radiography; D000267:Tissue Adhesions / Q000150:complications