1. Aboabrahim, Z., 1970. Zakhirah Kharazmshahi, vol. 2. National Works Publications, Teheran, p. 141.
2. Effect of essential oil of Croton zehntneri and of anethole and estragole on skeletal muscle;Albuquerque;J. Ethnopharmacol.,1995
3. Ariens, E.J., 1987. Pharmacology of the airway smooth muscle. In: Nadel, J.A., Pauwels, R., Snashall, P.D. (Eds.), Bronchial hyperresponsiveness, Blackwell Scientific Publications, London, pp. 7–23.
4. Some quantitative use of drug antagonists;Arunlakshana;Br. J. Pharmacol.,1959
5. Bronchodilatory and anticholinergic effects of Carum copticum on isolated guinea-pig tracheal chains;Boskabady;Med. J. I.R. Iran,1998