SURGICAL CRITERION AND SPHINCTEROPLASTY TECHNIC IN FIBROUS OBSTRUCTION OF ODDI'S SPHINCTER WITH EXPLORATION OF WIRSUNG'S DUCT
CRITERIO QUIR'URIGICO Y T'ECNICA DE ESFINTEROPLAST'IA EN LA OBSTRUCI'ON FIBROSA DEL ESFINTER DE ODDI, CON EXPLORACI'ON DEL CANAL DE WIRSUNG