Oparin, A., A. Kudriavtsev, and A. Oparin. “PECULIARITIES OF STATE OF PROTECTION AND AGGRESSION FACTORS IN PATIENTS WITH DIABETES MELLITUS TYPE II AND GASTROESOPHAGEAL REFLUX DISEASE”. EUREKA: Health Sciences, no. 1, Feb. 2020, pp. 27-34, doi:10.21303/2504-5679.2020.001080.