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. Author manuscript; available in PMC: 2020 Nov 1.
Published in final edited form as: Environ Int. 2019 Aug 22;132:105100. doi: 10.1016/j.envint.2019.105100

Figure 3.

Figure 3.

Associations of ambient air pollutants with migraine headaches overall (A) and by season (B) among participants with migraine in the Greater Boston area, Massachusetts, 2016–2017. Models were adjusted for day of week, a natural cubic spline function of day of year, a participant identifier, temperature, and relative humidity.