1. An improved hook for destroying posterior urethral valves;Whitaker;J Urol,1986
2. Venous valvulotome in the management of urethral valves (Abstr. 12);Cromie,1990
3. Foley's balloon procedure in posterior urethral valves;Kalicinski;Dial Pediatr Urol,1988
4. Neodymium-Yag laser ablation of posterior urethral valves;Ehrlich;Dial Pediatr Urol,1988
5. An antegrade technique for ablation of posterior urethral valves;Zaontz;J Urol,1984