Interactions between Lower Urinary Tract Symptoms and Cardiovascular Risk Factors Determine Distinct Patterns of Erectile Dysfunction: A Latent Class Analysis - Barbosa, João A. B. A.; Muracca, Eduardo; Nakano, Élcio; Assalin, Adriana R.; Cordeiro, Paulo; Paranhos, Mario; Cury, José; Miguel Srougi; Antunes, Alberto A. (Journal of urology, 2013)