N. İŞBİL BÜYÜKCOŞKUN, G. GÜLEÇ, B. ÇAM ETÖZ, and K. ÖZLÜK, “Central effects of glucagon-like peptide-1 on coldrestraint stress-induced gastric mucosal lesions”, Turkish Journal of Gastroenterology, vol. 18, no. 3, pp. 150–156, Jan. 2007.