Template:Morris2011
Morris BJ, Gray RH, Castellsagué X, Bosch FX, Halperin DT, Waskett JH, Hankins CA. The Strong Protective Effect of Circumcision against Cancer of the Penis. Adv Urol. 22 May 2011; PMID. PMC. DOI. Retrieved 4 August 2022.
Morris BJ, Gray RH, Castellsagué X, Bosch FX, Halperin DT, Waskett JH, Hankins CA. The Strong Protective Effect of Circumcision against Cancer of the Penis. Adv Urol. 22 May 2011; PMID. PMC. DOI. Retrieved 4 August 2022.