Dual Strategy With Oral Phosphodiesterase Type 5 Inhibition and Intracavernosal Implantation of Mesenchymal Stem Cells Is Superior to Individual Approaches in the Recovery of Erectile and Cavernosal Functions After Cavernous Nerve Injury in Rats - Martínez-Salamanca, J.I.; Zurita, M.; Costa, C.; Martínez-Salamanca, E.; Fernández, A.; Castela, Â.; Vaquero, J.; Carballido, J.; Angulo, J. (Journal of Sexual Medicine, 2016)