patients with radiolucent gallstones ( diameter less than 1.5 cm ) and functioning gallbladder were treated for 6-12 months with cdca ( 38 patients , 12-15 mg/kg/day ) or udca ( 78 patients randomly allocated to receive 5-6 or 10-12 mg/kg/day ) .
C0008350
gallstones
C0042105
udca