1. Centers for disease control and prevention (CDC). Conclusion and future directions: CDC health disparities and inequalities report - United States, 2013;Meyer;MMWR Morb Mortal Wkly Rep. Surveill Summ (Washington, D.C.: 2002),2013
2. Access to health and health care: how race and ethnicity matter;Richardson;Mt Sinai J Med,2010
3. Transforming clinical practice to eliminate racial-ethnic disparities in healthcare;Washington;J Gen Intern Med,2008
4. Urologic diseases in America,2012
5. Male urethral Stricture: American urological association guideline;Wessells;J Urol,2017