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. 2020 Jan;110(1):98–105. doi: 10.2105/AJPH.2019.305368

FIGURE 1—

FIGURE 1—

Difference in Fentanyl and Nonfentanyl Overdoses K Functions With Confidence Bands (Dashed) and Distance in Miles: Cook County, Illinois, 2014–2018

Note. Solid line indicates differences; dashed lines indicate confidence intervals, within which the null hypothesis would not be rejected.