Andreeva, Elena Leonidovna, Elena Vladimirovna Sapir, Dmitriy Andreevich Karkh, and Igor Andreevich Karachev. “Comparative Analysis of Foreign Economic Development of Pharmaceutical Sector in Russia and the USA”. Economy of Regions 15, no. 2 (June 28, 2019): 576–589. Accessed April 24, 2026. https://economyofregions.org/ojs/index.php/er/article/view/1833.