Patel PA, Ernst F, Gunnarsson C.  Evaluation of hospital complications and costs associated with using ultrasound guidance during thoracentesis procedures.  Journal of Clinical Ultrasound 2011, October 12 (epub ahead of print).  http://onlinelibrary.wiley.com.proxy.cc.uic.edu/doi/10.1002/jcu.20884/pdf


Patel PA, Ernst F, Gunnarsson C. Evaluation of hospital complications and costs associated with using ultrasound guidance during abdominal paracentesis procedures.  Journal of Medical Economics 2011, October 19 (epub ahead of print). http://informahealthcare.com/doi/abs/10.3111/13696998.2011.628723?prevSearch=allfield%253A%2528patel%2529&searchHistoryKey=