Aloysia citriodora Palau (lemon verbena) for insomnia patients: a randomized, double-blind, placebo-controlled clinical trial of efficacy and safety - Afrasiabian, F; Mirabzadeh Ardakani, M; Rahmani, K; Azadi, N A; Alemohammad, Z B; Bidaki, R; Karimi, M; Emtiazy, M; Hashempur, M H (Phytother Res, 2019)