1. Tumors of the male sex organs;Dixon,1952
2. Migration of the germ cells of human embryos from the yolk sac to the primitive gonadal folds;Witschi,1948
3. Treatment of the undescended testis with special reference to pathological anatomy;Curtis;J Urol,1960
4. Studies in malignant testis tumors. III. Incidence and nature of tumors of ectopic testes;Gilbert;Surg Gynecol Obstet,1940
5. Carcinoma in situ of the ectopic testis;Williams;J Urol,1977