Alagarsamy, J., V. Kadhirvel, C. Kathirvel, A. Hemavathy, and M. Lilly. “Multiple Extragastrointestinal Stromal Tumors: A Case Report”. International Journal of Advances in Medicine, vol. 1, no. 2, Feb. 2017, pp. 176-9, https://www.ijmedicine.com/index.php/ijam/article/view/476.