Karelia, D.J., Vala, D.A. and Parmar, D.M.C. 2018. A Study of Phenomenology of Panic Disorder & Assessment of Severity & Comorbidity of Panic Disorder.: Phenomenology of Panic Disorder & Assessment of Severity. National Journal of Integrated Research in Medicine. 5, 2 (Jan. 2018), 46–53.