A. R. BEYLER, E. ÜNER, E. KESİM, A. UYSAL, C. EKİNCİ, and Özden UZUNALİMOĞLU, “HODGKINS LYMPHOME OF THE ESOPHAGUS”, Turkish Journal of Gastroenterology, vol. 3, no. 2, pp. 406–407, Jan. 1992.