Samborskyi, O. S., M. M. Slobodyanyuk, and O. M. Ievtushenko. “Substantiation of the Methodological Approach to the Determination of the Power of Market Positions of Drugs on the Example of Anti-Ulcer Drugs”. Social Pharmacy in Health Care 6, no. 4 (December 9, 2020): 60–71. Accessed April 3, 2025. http://sphhcj.nuph.edu.ua/article/view/sphhcj.20.200.