@article{705020,
      author = {Agresta, Ferdinando, and Campanile, Fabio Cesare, and  Vettoretto, Nereo,},
      url = {http://library.usi.edu/record/705020},
      title = {Laparoscopic Cholecystectomy : an Evidence-based Guide /},
      recid = {705020},
      pages = {1 online resource},
}