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. 2014 Nov 11;187(1):4086. doi: 10.1007/s10661-014-4086-x

Fig. 2.

Fig. 2

Boxplots of observed over expected (O/E) and (O/E50) values for statewide and for each PSA region. The top, filled box plots represent O/E and the bottom, open box plots represent O/E50 values