title: Case of the month: the case of the knotty string.
authors.affiliation: Department of Radiology, Safdarjang Hospital, New Delhi, India.
authors.forename: V
authors.initials: V
authors.lastname: Kapur
authors.forename: R
authors.initials: R
authors.lastname: Kulshreshtha
authors.forename: V
authors.initials: V
authors.lastname: Baijal
mesh_terms: D001466:Barium Sulfate; D002648:Child; D003106:Colon / Q000000981:diagnostic imaging*; D006801:Humans; D007077:Ileal Diseases / Q000000981:diagnostic imaging*; D007082:Ileum / Q000000981:diagnostic imaging*; D007443:Intussusception / Q000000981:diagnostic imaging*; D008297:Male; D011859:Radiography
chemical_list: D001466:Barium Sulfate