Negueruela-López, Mónica, et al. “PRODROMAL OBSESSIVE-COMPULSIVE SYMPTOMS IN A CASE OF SCHIZOPHRENIA”. Actas Españolas De Psiquiatría, vol. 40, no. 2, Mar. 2012, pp. 102-3, https://actaspsiquiatria.es/index.php/actas/article/view/778.