Gori, L., Gallo, E., Mascherini, V., Mugelli, A., Vannacci, A., & Firenzuoli, F. (2012). Can Estragole in Fennel Seed Decoctions Really Be Considered a Danger for Human Health? A Fennel Safety Update. Evidence-Based Complementary and Alternative Medicine, 2012, 1–10. doi:10.1155/2012/860542
