the effects on biliary lipids of 10 mg per kg per day of chenodeoxycholic acid ( cdca ) , 10 mg per kg per day of ursodeoxycholic acid ( udca ) , and their equimolar combination ( 5 mg per kg per day of each ) , all administered for 45 to 60 days , were investigated in 18 patients with gallstones in a double-blind study with a balanced latin square design .
C0042105
ursodeoxycholic acid
C0008350
gallstones