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. Author manuscript; available in PMC: 2018 Nov 1.
Published in final edited form as: Environ Res. 2017 Sep 18;159:422–426. doi: 10.1016/j.envres.2017.08.030

Figure 1. Complete time-series of mercury-related calls, 2003–2013.

Figure 1

There were two high outlier days (189 calls on January 28, 2003; and 32 calls on November 20, 2006) reflecting mass exposure events in schools; for this reason, temporal trend statistical analyses were conducted including all data, and excluding the mass exposure-related call surges.