Corrigendum to "Efficacy of Anise (Pimpinella anisum L.) oil for migraine headache: A pilot randomized placebo-controlled clinical trial" [J. Ethnopharmacol. 236 (2019) 155–160]. (5th December 2021) - Mosavat, Seyed Hamdollah; Jaberi, Abbas Rahimi; Sobhani, Zahra; Mosaffa-Jahromi, Maryam; Iraji, Aida; Moayedfard, Amin