Microsurgical Spermatico-Epigastric Venous Anastomosis in the Treatment of Varicocele in Children: Assessment of Long-Term Patency - Camoglio, F S; Cervellione, R M; Bruno, C; Dipaola, G; Chironi, C; Corroppolo, M; Procacci, C; Ottolenghi, A (European Journal of Pediatric Surgery, 2003)