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ISRN Neurology
Volume 2012 (2012), Article ID 279051, 5 pages
http://dx.doi.org/10.5402/2012/279051
Research Article

Ambient Sulphur Dioxide and Female ED Visits for Migraine

Population Studies Division, Health Canada, 269 Laurier Avenue, Room 3-030, Ottawa, ON, Canada K1A 0K9

Received 3 December 2011; Accepted 9 January 2012

Academic Editor: A. Arboix

Copyright © 2012 Mieczysław Szyszkowicz and Eugeniusz Porada. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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