CHEN Wu-xia, TAO Hao-yan, Zheng Ji. The therapeutic endoscopic retrograde cholangiopancreatography in extrahepatic cholestatic jaundice patients: a analysis of clinical nursing[J]. Journal of Clinical Medicine in Practice, 2011, (16): 69-71. DOI: 10.3969/j.issn.1672-2353.2011.16.032