Tork Zahrani, Shanaz, et al. “The Effects of Peganeum Harmala Smoke Cervical Ripening, Initiation and Outcome of Labor”. Tārīkh-I Pizishkī (i.E., History of Medicine), vol. 8, no. 27, July 2016, pp. 151-77, doi:10.22037/mhj.v8i27.13186.