at six months , more udca ( five of 35 or 14.3 % ) than cdca ( four of 42 or 9.5 % ) -treated patients showed complete dissolution of gallstones , but , by one year , the situation was reversed , 20 of 41 ( 49 % ) cdca-treated and eight of 30 ( 27 % ) udca-treated patients showing complete dissolution of gallstones .
C0042105
udca
C0008350
gallstones