Olguner, M., Ozdemir, T., Ateş, O., Akgür, F. M., Aktuğ, T., & Ozer, E. (2003). A case of proximal jejunal ectopic pancreas causing sporadic vomiting. The Turkish Journal of Pediatrics, 45(2), 161-164. https://turkjpediatr.org/article/view/2881