Evaluation of the effect of topical chamomile (Matricaria chamomilla L.) oleogel as pain relief in migraine without aura: A randomized, double-blind, placebo-controlled, crossover study - Zargaran, A; Borhani-Haghighi, A; Salehi-Marzijarani, M; Faridi, P; Daneshamouz, S; Azadi, A; Sadeghpour, H; Sakhteman, A; Mohagheghzadeh, A (Neurol Sci, 2018)