Gauger, Andrew J., and James Wilcox. “Cholecystocolonic Fistula: Demonstrating the Need for Further Imaging Assessment Following an Abnormal Ultrasound Exam”. International Journal of Medical Students 10 (January 2, 2023): S184. Accessed November 23, 2024. https://ijms.pitt.edu/IJMS/article/view/1831.