Sadafi, E., Monirpour, N., & Mirzahoseini, H. "Explaining Structural Relationships of the Relationship between Objective Relationship Quality and Marital Instability Based on the Mediating Role of Ego Power" .e20771 , Medical Journal of Mashhad university of Medical Sciences, 63, Special Psychology, 2020, e20771. doi: 10.22038/mjms.2020.46324.2683