Antimicrobial and Immunomodulatory Activities of Dried Extracts of Echinacea Purpurea. Brazilian Journal of Pharmaceutical Sciences, [S. l.], v. 58, 2023. DOI: 10.1590/s2175-97902022e21026. Disponível em: https://periodicos.usp.br/bjps/article/view/208232.. Acesso em: 10 jun. 2024.