1. Angiokeratoma of the glans penis;Beutler BD;Skinmed,2017
2. Angiokeratoma of the scrotum (Fordyce). A case report on response to surgical treatment of varicocele;Agger P;Acta Derm Venereol,1970
3. Angiokeratoma of Fordyce: a cause of scrotal bleeding;Taniguchi S;Br J Urol,1994
4. Cutaneous vascular anomalies. Hamartomas, malformations and dilatation of preexisting vessels;Requena L;J AM Acad Dermatol,1997
5. Angiokeratoma of Imperial and Helwig;Raja Babu KK;Indian J Dermatol Venereol Leprol,1980