For citations:

Grigoryev K.I., Zaprudnov A.M., Kharitonova L.A. Peptic ulcer disease - historical dynamics: views on etiopathogenesis and treatment from a position of pediatricians. Experimental and Clinical Gastroenterology. 2019;(1):155-165. (In Russ.) https://doi.org/10.31146/1682-8658-ecg-161-1-155-165