1A. Kumar,S. Aggarwal. Carcinoma of the gallbladder: CT findings in 50 cases[J] 1994,Abdominal Imaging(4):304~308
2Michael B. Albert MD,William M. Steinberg MD,James P. Henry BS. Elevated serum levels of tumor marker CA19-9 in acute cholangitis[J] 1988,Digestive Diseases and Sciences(10):1223~1225