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International Scholarly Research Notices
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International Scholarly Research Notices
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2012
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Article
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Fig 2
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Research Article
Ambient Sulphur Dioxide and Female ED Visits for Migraine
Figure 2
Ottawa. (a) Median (Q2), Q1, Q3, cases scaled by 355. (b) ORs with their 95% CIs.
(a)
(b)