Marjani, A., Gharavi, A., Jahanshahi, M., Vahidirad, A. and Alizadeh, F. (2009) “Stress among medical students of Gorgan (South East of Caspian Sea), Iran”, Kathmandu University Medical Journal, 6(3), pp. 421–425. doi: 10.3126/kumj.v6i3.1726.