“All five bile acids, which are commonly found in serum, … acid (CA), deoxycholic acid (DCA), lithocholic acid (LCA), and ursodeoxycholic acid (UDCA) dose-dependently … TSH-induced iodide uptake at concentrations of 25-250 microM. Since CDCA is one … primary endogenous bile acids, were studied mainly the effects of CDCA.”