1. Testicular undescent and torsion;Fonkalsrud;Pediatr Clin North Am.,1987
2. The undescended testicle: when and how to intervene;Neely;Contemp Pediatr.,1990
3. The undescended testis;Koyle;Pediatr Ann.,1988
4. Acquired undescended testis;Schiffer;Am J Dis Child.,1987
5. HCG stimulation in children with cryptorchidism;Urban;Clin Pediatr (Phila).,1987