[The Zeiss loop catheter. Rapid or deferred extraction?].
D006801:Humans; D013997:Time Factors; D014514:Ureteral Calculi / Q000628:therapy*; D014546:Urinary Catheterization / Q000295:instrumentation / Q000379:methods*
El lazo-sonda de Zeiss. extracción rápida o diferida?