2Hack WW, van der Voort-Doedens LM, de Kok ME, et al. Previous testicular position in boys who underwent orchidopexy due to undescended testis at the Alkmam Medical Center, the Netherlands, during the period 1986-1999. Ned Tijschr Geneeskd ,2002,23 : 146.
3Lais A, Catoerino S, Talaraa M, et al. The gliding testis: minor degree of true undescended testis? Eur J Pediatr, 1993, 152 Suppl2:520-522.
4Sunpaweravong S, Pripatnanont C. Persistent Mullerian duct syndrome in adult: a case report. J Med Assoc Thai, 2000,83: 1541-1543.
5Rusnack SL, Wu HY, Huff DS, et al. The ascending testis and the testis undescended since birth share the same histopathology. J Urol, 2002,168:2590-2591.
6Miller OF, Stock JA, Cilento BG, et al. Prospective evaluation of human chorionic gonadotropin in the defferentiation of undescended testes from retractile testes. J Urol,2003,169 : 2328-2331.
7Olsen LH, Genster HG, Mosegaard A, et al. Management of the non-descended testis: doubtful value of luteinizing-hormonereleasing-hormone ( LHRH ). A double-blind, placebo-controlled multicentre study. Int J Androl, 1992,15:135-143.
8Belman AB. Acquired undescended (ascended) testis: effects of human chorionic gonadotropin. J Urol, 1988,140 : 1189-1190.
9Trammer A, Hecker WC, Fuchs E, et al. About the question of indication for surgery of retractile testis. Z Kinderchir, 1989,44: 234 -236.