TY - JOUR T1 - Predictive factors of oxygen desaturation of patients submitted to endoscopic retrograde cholangiopancreatography under conscious sedation JO - Arquivos de Gastroenterologia A1 - Müller, Suzana A1 - Prolla, João Carlos A1 - Maguilnik, Ismael A1 - Breyer, Helenice Pankowski SN - 0004-2803 UL - 10.1590/S0004-28032004000300005 VL - 41 Y1 - 2004 PB - Brasil ER -