"Men's Health". WebMD (به انگلیسی). Retrieved 2023-12-23.
wiley.com
onlinelibrary.wiley.com
Dias J, Freitas R, Amorim R,Espiridião P, Xambre L, Ferraz L, Adult circumcision and male sexual health: a retrospective analysis, Andrologia, 20 April 2013 DOI: 10.1111/and.12101 [۱]