1.
Perri D, Dugoua JJ, Perri D, Koren G. Safety and efficacy of echinacea (echinacea angustifolia, e. purpurea and e. pallida) during pregnancy and lactation. J Popl Ther Clin Pharmacol. 2018;13(3). Accessed September 20, 2025. https://www.jptcp.com/index.php/jptcp/article/view/583