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. 2017 Apr 1;4(1):e000128. doi: 10.1136/bmjgast-2016-000128

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Flow chart of participants reporting QoL score and HADS in HUNT1, HUNT2 and HUNT3, opr or non-opr with cholecystectomy for gallstone disease. HADS, Hospital Anxiety and Depression Scale; HUNT1, first Nord-Trøndelag Health Study; HUNT2, second Nord-Trøndelag Health Study; HUNT3, third Nord-Trøndelag Health Study; non-opr, non-operated; opr, operated; QoL, quality of life.