Takure, A. O., Adebayo, S. A., Okeke, L. I., Olapade‑Olaopa, E. O., & Shittu, O. B. (2016). Erectile dysfunction among men attending surgical outpatients Department in a Tertiary Hospital in South-Western Nigeria. Nigerian Journal of Surgery, 22(1), 32–36. https://doi.org/10.4103/1117-6806.176398