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Correspondence: Irwin M. Best, Emory University School of Medicine, Department of Radiology, Interventional Radiology, 1364 Clifton Road NE, Atlanta, GA 30322, USA. Tel. +1.404.712.7033 - Fax +1.404.712.7970. E-mail: ibest@emory.edu
© I.M. Best, 2011