@article {Kallmes, author = {David F. Kallmes and Kennith F. Layton and William F. Marx and Frank Tong}, title = {Reply}, year = {2008}, doi = {10.3174/ajnr.A1047}, publisher = {American Journal of Neuroradiology}, issn = {0195-6108}, URL = {https://www.ajnr.org/content/early/2008/03/27/ajnr.A1047}, eprint = {https://www.ajnr.org/content/early/2008/03/27/ajnr.A1047.full.pdf}, journal = {American Journal of Neuroradiology} }