Malik, Sayeed Majid, Sanjay Kumar Bhasin, and Tariq P. Azad. “Outcome of Ultrasound Guided Pigtail Catheter Drainage of Liver Abscesses a Prospective Study of 126 Cases”. International Surgery Journal 2, no. 4 (December 14, 2016): 634–640. Accessed October 16, 2025. https://www.ijsurgery.com/index.php/isj/article/view/784.