Diagnostic value of endoscopic retrograde cholangiopancreatography(ERCP) related techniques combined with serum CEA and CA199 for obstruction of bile duct
Fang Long, Fan Yanhua, Du Shiyu, Gao Chun, Liao Junxian
Journal of Capital Medical University . 2014, (5): 626 -629 .  DOI: 10.3969/j.issn.1006-7795.2014.05.021