DOBRUCALI, Ahmet, et al. “Effects of Bolus or Intra Venos Infusion of Famotidine on Gastric PH in Patients With Dudenal Ulcer Disease”. Turkish Journal of Gastroenterology, vol. 8, no. 3, Jan. 1997, pp. 305-8, https://turkjgastroenterol.org/index.php/tjg/article/view/806.