Fakhry, Tamer, Rehab M. Samaka, Mahmoud Sheir, and Ayman A. Albatanony. “Comparative Study Between Use of Calretinin and Synaptophysin Immunostaining in Diagnosis of Hirschsprung Disease”. International Surgery Journal 6, no. 3 (February 25, 2019): 658–663. Accessed October 28, 2025. https://www.ijsurgery.com/index.php/isj/article/view/4063.