Observational Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. May 14, 2015; 21(18): 5641-5646
Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5641
Figure 1
Figure 1 Patients excluded after medical analysis. We excluded patients suffering from diseases that might contribute to erectile dysfunction.