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. 2012 Feb 22;120(6):824–830. doi: 10.1289/ehp.1104447

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Distributions of 2-week average F_inf by community and season. Communities are shown in order of decreasing median F_inf. Solid lines in boxes represent median values; dashed lines in boxes represent mean values; boxes represent 25th and 75th percentiles; whiskers represent 10th and 90th percentiles; outliers are not shown. The number of observations and homes for each community/season is given in Table 1.