extracorporeal shock-wave lithotripsy ( eswl ) in combination with adjuvant litholytic therapy using chenodeoxycholic acid and ursodeoxycholic acid ( 7 to 8 mg/kg body weight/day of each acid ) is a safe and effective , novel nonsurgical approach to gallbladder stones , provided the patients are carefully selected .
C0042105
ursodeoxycholic acid
C0008350
gallbladder stones