Hadzhieva, B., M. Dimitrov, and V. Petkova. “Pharmaceutical Regulation of Herbal Medicinal Products in the Countries of the European Union, the USA, Canada and Japan”. Acta Medica Bulgarica 50, no. 3 (September 30, 2023): 71–74. Accessed July 4, 2024. https://journals.mu-sofia.bg/index.php/amb/article/view/22.