1. The spermatogenic potential of the undescended testis before and after treatment;Charney;J. Urol.,1960
2. Cryptorchidism;Charney,1957
3. Maldescent of the testis;Connolly;Am. Surgeon,1959
4. Surgical experiences from 1222 operations for undescended testes;Gross;J.A.M.A.,1956
5. Précis Clinique et Opératoire de Chirurgie Infantile;Ombrédonne,1923