Joana Espiga de Macedo, et al. “Gastrointestinal Stromal Tumors: Innovation from Diagnosis to Treatment Based on 15 Years of Experience of a Peripheral Hospital in Portugal”. Cancer Studies and Molecular Medicine , vol. 3, no. 1, Apr. 2016, pp. 7-13, https://openventio.us/index.php/CSMM/article/view/1428.