TY - GEN AU - Güitrón-Cantú,A AU - Adalid-Martínez,R AU - Segura-López,F K TI - [Relationship between technical difficulty to cannulate papila of Vater and fluoroscopy time] SN - 0375-0906 PY - 2014///0324 KW - Ampulla of Vater KW - Catheterization KW - Cholangiopancreatography, Endoscopic Retrograde KW - adverse effects KW - Female KW - Fluoroscopy KW - Humans KW - Male KW - Middle Aged KW - Occupational Exposure KW - Prospective Studies KW - Time Factors N1 - Publication Type: English Abstract; Journal Article ER -