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. 2020 Jun 18;188:109807. doi: 10.1016/j.envres.2020.109807

Table 2g.

Analysis of variance for NH3.

Sum of Squares df Mean Square F Sig.
Between Groups 8404.867 3 2801.622 34.042 .000
Within Groups 1975.173 24 82.299
Total 10380.040 27