Bagul, Abhijeet, Nandhkishore Narwade, Sridevi Murali, and Yashraj Shah. “Unusual Occurrence of Two Sister Tumours in the Same Patient- Gastrointestinal Stromal Tumour and Gastrointestinal Autonomic Nerve Tumour”. International Surgery Journal 5, no. 2 (January 25, 2018): 752–755. Accessed February 1, 2026. https://www.ijsurgery.com/index.php/isj/article/view/2281.