Yildirim, Onur, Mai Al Khatalin, и Emin ME. 2022. «A RARE CASE OF A 27-YEAR-OLD FEMALE PRESENTED WITH DUODENAL OBSTRUCTION DUE TO ANNULAR PANCREAS». ГЕПАТОЛОГИЯ и ГАСТРОЭНТЕРОЛОГИЯ 6 (1), 89-92. https://doi.org/10.25298/2616-5546-2022-6-1-89-92.