Kalkan, Çağdaş, and İrfan Soykan. “Utility of a Laboratory Score in the Prediction of Altered Autonomic Nervous System Function in Autoimmune Gastritis”. Turkish Journal of Gastroenterology 29, no. 1 (January 1, 2018): 32–35. Accessed January 1, 2026. https://www.turkjgastroenterol.org/index.php/tjg/article/view/3194.