. 2020 Aug 13;22(8):e18350. doi: 10.2196/18350
©Tareq Nasralah, Omar El-Gayar, Yong Wang. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 13.08.2020.
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Figure 4.
Opioid drug abuse ontology that includes opioid-related terms and concepts.