RT Journal Article SR Electronic T1 Image of the month: Gallstone ileus JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 284 OP 285 DO 10.7861/clinmedicine.17-3-284 VO 17 IS 3 A1 Chia-Ming Chang A1 Chian-Ze Peng A1 Yen-Chia Chen A1 Chorng-Kuang How YR 2017 UL http://www.rcpjournals.org/content/17/3/284.abstract