7Zerem E, Hadzic A. Sonographically guided percutaneous catheter drainage versus needle aspiration in the management of pyogenic liver abscess [ J]. AJR Am J Roentgenol, 2007,189 (3) : 138 - 142.
8Matin D, Ho LM, Barnhart H, et al. Percutaneous abscess drain- age in patients with perforated acute appendicitis: effectiveness, safety, and prediction of outcome[J]. AJR Am J Roentgenol, 2010,194(2) :422 -429.
9Soyer P, Fargeaudou Y, Boudiaf M, et al. Percutaneous abdomi- nopelvic interventional procedures using real - time CT fluoroscopy guidance at 21 mAs: an analysis of 99 consecutive cases[J]. J Radiol, 2008,89(5 Pt 1) :565 -570.
10Hookey LC, Debroux S, Delhaye M, et al. Endoscopic drainage of pancreatic -fluid collections in 116 patients: a comparison of e- tiologies, drainage techniques, and outcomes [ J ]. Gastrointest Endosc, 2006,63(4) :635 -643.