Separation anxiety disorder in adult patients with obsessive-compulsive disorder: prevalence and correlates - Arzeno Ferrao, Y.; Franz, A. P.; Rateke, L.; Hartmann, T.; McLaughlin, N. [UNESP]; Rodrigues Torres, A.; Conceicao do Rosario, M.; Miguel Filho, E. (Elsevier B.V., 2014)