Kizlova, N., and I. Iaremina. “Analysis of Four Years Profile on Treatment Duration and Rehospitalisation Repetitions in Patients With Ulcer Disease and Erosions of Gastric and Duodenum Treated in Gastroenterological Day-Time Treatment Department”. Medicine Today and Tomorrow, Vol. 67, no. 2, June 2015, pp. 156–162, https://msz.knmu.edu.ua/article/view/524.