RT Journal Article SR Electronic T1 Apple-core lesion of the terminal ileum in a child with chronic constipation JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 1237 OP 1237 DO 10.1136/archdischild-2021-321935 VO 106 IS 12 A1 Chen, Jeng-Chang A1 Hsueh, Chuen YR 2021 UL http://adc.bmj.com/content/106/12/1237.abstract AB