“Late Outcome of Direct Vision Urethrotomy in Patients With Urethral Stricture at Kilimanjaro Christian Medical Center (KCMC), Moshi-Tanzania”. Global Journal of Medical Research, vol. 15, no. I4, Oct. 2015, pp. 7-14, https://medicalresearchjournal.org/index.php/GJMR/article/view/1003.