Mohammadian,M , , maredpour,A , , Ramezani,K , and Fathi,M . "Comparison of the efficacy of Cognitive behavioral hypnotherapy and Drug therapy on Psychological Hardiness and State – Trait Anxiety in panic disorder", Medical Journal of Mashhad university of Medical Sciences, 63, 2, 2020, 2340-2349. doi: 10.22038/mjms.2020.16017