ALTINAY, Abidin, and Bülent KARA. “PEPTIC ULCER AND METEOROLOGICAL CHANGES: AN INVESTIGATION OF ETIOPATHOGENETIC CONNECTION”. Turkish Journal of Gastroenterology, vol. 4, no. 2, Jan. 1993, pp. 314-8, https://www.turkjgastroenterol.org/index.php/tjg/article/view/286.