Fig. 2
Income Inter-Quartile Rate Ratios with 95 % Confidence Limits for Opioid-Involved Medical Encounters, Clark County-Nevada, 2011-2013
Fig. 2 | BMC Health Services Research
Income Inter-Quartile Rate Ratios with 95 % Confidence Limits for Opioid-Involved Medical Encounters, Clark County-Nevada, 2011-2013