Risk factor analysis for cholangiocarcinoma: limitations of cross-sectional study.
Huo
Teh-Ia
TI
Lee
Shou-Dong
SD
Wu
Jaw-Ching
JC
D001650:Bile Duct Neoplasms / Q000453:epidemiology*; D001653:Bile Ducts, Intrahepatic; D018281:Cholangiocarcinoma / Q000453:epidemiology*; D003430:Cross-Sectional Studies; D006801:Humans; D012307:Risk Factors