. 2021 Feb 17;23(2):e24486. doi: 10.2196/24486
©Zhengyi Li, Xiangyu Du, Xiaojing Liao, Xiaoqian Jiang, Tiffany Champagne-Langabeer. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 17.02.2021.
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Figure 6.
Co-occurrence of the same opioid suppliers across different anonymous marketplaces.