@article{911930,
      author = {Levy, Angela D., and Mortele, Koenraad J., and Yeh,  Benjamin M., and Blum, Heike,},
      url = {http://library.usi.edu/record/911930},
      title = {Gastrointestinal imaging /},
      recid = {911930},
      pages = {1 online resource (761 pages) :},
}