RT Journal Article SR Electronic T1 Duodenal duplication cyst in a 61-year-old man JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E411 OP E412 DO 10.1503/cmaj.221387 VO 195 IS 11 A1 Dong, Jinpei A1 Bian, Dapeng A1 Feng, Qiushi YR 2023 UL http://www.cmaj.ca/content/195/11/E411.abstract