- Correspondence to Dr M Martínez-Galdámez, Interventional Neuroradiology Unit, Radiology Department, Hospital Clínico Universitario de Valladolid, Av. Ramón y Cajal, 3, Valladolid PC 47003, Spain;
- Received July 2, 2014
- Revised August 13, 2014
- Accepted August 19, 2014
- First published September 8, 2014.
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