(en) Montejo AL, Llorca G, Izquierdo JA, Rico-Villademoros F.Incidence of sexual dysfunction associated with antidepressant agents: a prospective multicenter study of 1022 outpatients. Spanish Working Group for the Study of Psychotropic-Related Sexual Dysfunction. J Clin Psychiatry. 2001;62 Suppl 3:10-21. PMID11229449. (pdf).
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(en) Montejo AL, Llorca G, Izquierdo JA, Rico-Villademoros F.Incidence of sexual dysfunction associated with antidepressant agents: a prospective multicenter study of 1022 outpatients. Spanish Working Group for the Study of Psychotropic-Related Sexual Dysfunction. J Clin Psychiatry. 2001;62 Suppl 3:10-21. PMID11229449. (pdf).