Demtröder CRD, Murnik M, Kirchmeyer P, Giger-Pabst U, Dajchin D. Single-stage laparoscopic treatment of a cholecystoduodenal fistula with perforated small bowel ileus and fibrinous purulent peritonitis. A single case study. ЗХ [Internet]. 2024Mar.30 [cited 2024Oct.18];(1):59-65. Available from: http://generalsurgery.com.ua/article/view/300969