Newsome JR, Venkatramani R, Heczey A, Danysh HE, Fishman DS, Miloh T. Cholangiocarcinoma among children and adolescents: a review of the literature and SEER-Database analysis. J Pediatr Gastroenterol Nutr. 2018 Jan 1;66(1):e12-8. doi: 10.1097/MPG.0000000000001749
Maurel J, Martins AS, Poveda A, Lopez-Guerrero JA, Cubedo R, Casado A, Martinez-Trufero J, Ramon Ayuso J, Lopez-Pousa A, Garcia-Albeniz X, Garcia del Muro X, de Alava E. Imatinib plus low-dose doxorubicin in patients with advanced gastrointestinal stromal tumors refractory to high-dose imatinib: a phase I-II study by the Spanish Group for Research on Sarcomas. Cancer. 2010 Aug 1;116(15):3692-701. doi: 10.1002/cncr.25111