Pearson Correlations Between Arsenic Measures for Participants with Hair, Blood, and Urine Arsenic Measures (N=82). Positive correlations are indicated in blue shades. Negative correlations are indicated in red shades. Larger circles correspond to stronger correlations, as do darker shades, as indicated in the corresponding key. *P<0.05. Abbreviations used: As, arsenic; DMA, dimethyl arsenical species; iAs, inorganic arsenic arsenical species; MMA, monomethyl arsenical species