Waihenya, C. G., and P. N. Mungai. “Management of Transitional Cell Carcinoma of the Urinary Bladder at Kenyatta National Hospital, Nairobi”. East African Medical Journal, vol. 83, no. 12, Mar. 2008, pp. 679-83, doi:10.4314/eamj.v83i12.9500.