Treatment of bile duct stones of difficult removal compared two endoscopic methods: Stone fragmentation with electrohydraulic lithotripsy (EHL) X balloon dilation of the major duodenal papilla
Active, not recruitingRBR-5wx47j
Hospital das Clínicas da Faculdade de Medicina da Universidade de São PauloDigestive system diseases.
Choledocholithiasis
Start: 2014-04-01Updated: 2025-10-27