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APA Citation
Brazzelli, M. (. (2014). Clinical effectiveness and cost-effectiveness of cholecystectomy compared with observation/conservative management for preventing recurrent symptoms and complications in adults presenting with uncomplicated symptomatic gallstones or cholecystitis : a systematic review and economic evaluation. Southampton : NIHR Journals Library. http://access.bl.uk/ark:/81055/vdc_100037558587.0x000001