İshak Abdurrahman Işık, and Ulaş Emre Akbulut. “The Coexistence of Neurofibromatosis Type I and Celiac Disease in a Child”. Turkish Journal of Gastroenterology, vol. 29, no. 4, July 2019, pp. 522-3, https://tjg.avesjournals.com/index.php/tjg/article/view/3579.