@article{1457744,
      author = {Bartolotta, Tommaso Vincenzo, and Taibbi, Adele, and  Midiri, Massimo,},
      url = {http://library.usi.edu/record/1457744},
      title = {Atlas of contrast-enhanced sonography of focal liver  lesions /},
      recid = {1457744},
      pages = {1 online resource (150 pages) :},
}