TY - JOUR T1 - Pyriform sinus perforation as a rare complication of endoscopic retrograde cholangiopancreatography JO - GastroenterologĂ­a y HepatologĂ­a T2 - AU - Zimmer,Vincent AU - Al-Kadah,Basel AU - Mues,Ernst-Peter SN - 02105705 M3 - 10.1016/j.gastrohep.2020.09.007 DO - 10.1016/j.gastrohep.2020.09.007 UR - https://www.elsevier.es/es-revista-gastroenterologia-hepatologia-14-articulo-pyriform-sinus-perforation-as-rare-S0210570520303836 ER -