RT Journal Article SR Electronic T1 Foreign body ingestion: understanding the implications JF Frontline Gastroenterology JO Frontline Gastroenterol FD BMJ Publishing Group Ltd SP 94 OP 95 DO 10.1136/flgastro-2021-101847 VO 13 IS 2 A1 Max Henderson A1 Simon M Everett YR 2022 UL http://fg.bmj.com/content/13/2/94.abstract AB