KARABULUT, Zülfikar, et al. “Ileovesical Fistula Secondary to Chemotherapy for Follicular Non-Hodgkin Lymphoma: A Case Report and Review of the Literature”. Turkish Journal of Gastroenterology, vol. 22, no. 2, Jan. 2011, pp. 205-7, doi:10.4318/tjg.2011.0194.