KAPICIOĞLU, S., et al. “Effect of Long Acting Somatostatin Analogue, Octreotide (SMS 201-995) on Omeprazole-Induced Hypergastrinemia in Human”. Turkish Journal of Gastroenterology, vol. 5, no. 4, Jan. 1994, pp. 705-10, https://turkjgastroenterol.org/index.php/tjg/article/view/537.