Efficacy of topical application of standardized extract of Tragopogon graminifolius in the healing process of experimental burn wounds - Heidari, M; Bahramsoltani, R; Abdolghaffari, A H; Rahimi, R; Esfandyari, M; Baeeri, M; Hassanzadeh, G; Abdollahi, M; Farzaei, M H (J Tradit Complement Med, 2018)