TY - JOUR T1 - Randomised controlled trial of cost-effectiveness of lithotripsy and open cholecystectomy as treatments for gallbladder stones JO - The Lancet PY - 1992/01/01 AU - Nicholl JP AU - Brazier JE AU - Milner PC AU - Westlake C AU - Kohler B AU - Williams BT AU - Ross B AU - Frost E AU - Johnson AG ED - DO - DOI: 10.1016/0140-6736(92)92682-6 VL - 340 IS - 8823 SP - 801 EP - 807 Y2 - 2025/05/28 ER -