. 2020 Jun 29;6(2):e17073. doi: 10.2196/17073
©Joshua C Black, Zachary R Margolin, Richard A Olson, Richard C Dart. Originally published in JMIR Public Health and Surveillance (http://publichealth.jmir.org), 29.06.2020.
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Figure 2.
Estimated number of quarterly fentanyl posts.