[1]
D. Perri, J.-J. Dugoua, D. Perri, and G. Koren, “Safety and efficacy of echinacea (echinacea angustifolia, e. purpurea and e. pallida) during pregnancy and lactation”, J Popl Ther Clin Pharmacol, vol. 13, no. 3, Jul. 2018.