Samborskyi, O. S., Slobodyanyuk, M. M., & Ievtushenko, O. M. (2020). 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(4), 60–71. https://doi.org/10.24959/sphhcj.20.200