Pekindil G, Huseyin Atakan I, Kaya E, et al.: Bilateral synchronous granulomatous orchitis: gray-scale and colour Doppler sonographic findings.Eur J Radiol 31: 201-203, 1999
Mogensen M and Nino-Murcia M: Idiopathic granulomatous epididymo-orchitis. J Ultras Med 24: 1007-1010, 2005