%0 Journal Article %T Ambient Sulphur Dioxide and Female ED Visits for Migraine %A Mieczyslaw Szyszkowicz %A Eugeniusz Porada %J ISRN Neurology %D 2012 %I Hindawi Publishing Corporation %R 10.5402/2012/279051 %U http://dx.doi.org/10.5402/2012/279051