The Efficacy and Safety of Precut Technique in Difficult Biliary Cannulation
LI Chu-jun CUI Yi HUANG Ying-si CHEN Min-hu 1 Department of Gastroenterology;The Sixth Affiliated Hospital of Sun Yat-sen University;Guangzhou;510655;China.2 Department of Gastroenterology;The First Affiliated Hospital of Sun Yat-sen University;Guangzhou;510080;China.
Experience Of 17630 Patients with Painless Gastroscopy
QIU Xiao-lei LIU Hong-zhen LUO Li-fang LUO Xiao-Yan 1 Department of Digestion;The People’s Hospital of Foshan;528000;China 2 Department of Anesthesiology;The People’s Hospital of Foshan;528000;China