1. Timing of elective surgery on the genitalia of male children with particular reference to the risks, benefits, and psychological effects of surgery and anesthesia;Pediatrics,1996
2. Nordic consensus on treatment of undescended testes;Ritzén;Acta Paediatr,2007
3. Evaluation and treatment of cryptorchidism: AUA guideline;Kolon;J Urol,2014
4. EAU guidelines on paediatric urology;Tekgül,2013
5. EAU guidelines on paediatric urology;Radmayr,2020