Bravo SAG, Sanchez AAC, Sulvaran MO, Caos IC, Alonso EC, Ochoa SSV, Chavez GA, Jaimes MAP. A biliary dilemma resolved by endoscopy: Lemmel syndrome as a cause of non-lithiasic acute obstructive cholangitis . Int Surg J [Internet]. 2026 Mar. 26 [cited 2026 Apr. 16];13(4):650-2. Available from: https://www.ijsurgery.com/index.php/isj/article/view/11880