measurements of cholesterol absorption were performed by an intestinal perfusion technique before and after 4 wk of administration of three different dihydroxy bile acids [ ursodeoxycholic acid ( 1 g/day ) , chenodeoxycholic acid ( 1 g/day ) , and deoxycholic acid ( 0.4 g/day ) ] in 6 normal volunteers .
C0008024
chenodeoxycholic acid
C0011479
deoxycholic acid