Labairu-Huerta, L., Padilla-Fernández, B., Arrondo-Arrondo, J., Valverde-Martínez, L., Martín-Rodríguez, A., Silva-Abuín, J., García-Cenador, M., Mirón-Canelo, J. and Lorenzo-Gómez, M. (2015) “PDE-5 inhibitors in monotherapy versus combination therapy in a sample of 1200 patients with erectile dysfunction”, Archivio Italiano di Urologia e Andrologia, 87(3), pp. 204-209. doi: 10.4081/aiua.2015.3.204.