RT Journal Article SR Electronic T1 Young man presenting with recurrent food bolus impaction JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 486 OP 488 DO 10.7861/clinmedicine.12-5-486 VO 12 IS 5 A1 Imogen Williams A1 Phillipe Taniere A1 Jason Goh YR 2012 UL http://www.rcpjournals.org/content/12/5/486.abstract