IGNATOV, . I. Review of different types of mountain springs and mineral waters from Bulgaria based on their natural origin and health benefits. Медичні перспективи, [S. l.], v. 28, n. 4, p. 199–206, 2023. DOI: 10.26641/2307-0404.2023.4.294236. Disponível em: https://journals.uran.ua/index.php/2307-0404/article/view/294236. Acesso em: 18 лип. 2024.