Gall stones: the real issues.
University Surgical Unit, Royal Hallamshire Hospital, Sheffield.
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Johnson
D002763:Cholecystectomy / Q000379:methods; D017081:Cholecystectomy, Laparoscopic; D002769:Cholelithiasis / Q000517:prevention & control / Q000601:surgery*; D005704:Gallbladder / Q000000981:diagnostic imaging; D006801:Humans; D014463:Ultrasonography