
Research ArticleA new NMR-based metabolomics approach for the diagnosis of biliary tract cancer
Keywords: متابولومیک; Bile; Biliary tract cancer; Metabolomics; Diagnosis; NMR; nuclear magnetic resonance spectra; OPLS-DA; orthogonal partial least square discriminant analysis; STOCSY; statistical total correlation spectroscopy; CA19-9; carbohydrate antigen 19-9; CEA; carci