- Correspondence to Dr J W D Speirs, Department of Radiology, Division of Interventional Radiology, Hotel-Dieu Grace Hospital, 1030 Ouellette Avenue, Windsor, ON, Canada N9A 1E1;
- Received January 2, 2013
- Revised March 27, 2013
- Accepted March 28, 2013
- First published April 23, 2013.
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