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. 2011 Jul 27;6(7):e21961. doi: 10.1371/journal.pone.0021961

Table 2. Parameters of multi-variate linear regression models to explain PM10.2 oxidative potential metric variance.

Metric Metal Explanatory Variable Model
B SE p-value R2 p-value
OPAA ug−1 Fe 0.01 0.004 0.03 0.52 0.02
Zn 0.18 0.07 0.03
OPGSH ug−1 Fe 0.08 0.02 - 0.38 0.02