there were no significant differences in clinical details and pre-treatment gallstone characteristics between the 25 gallstone-recurrent ( at any time ) and the 29 gallstone-free ( at the time of study ) patients , nor between a subgroup of patients in whom recurrent stones developed rapidly ( less than or equal to 1 year ) and a subgroup who remained gallstone-free for 3 years .
C0006736
stones
C0008350
gallstone