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. 2022 Nov 8;24(11):e38957. doi: 10.2196/38957

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©András Fittler, Péter Paczolai, Amir Reza Ashraf, Amir Pourhashemi, Péter Iványi. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 08.11.2022.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in the Journal of Medical Internet Research, is properly cited. The complete bibliographic information, a link to the original publication on https://www.jmir.org/, as well as this copyright and license information must be included.

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Visual graph of SERP links of compromised websites and illegal online medicine vendors accessed via search redirection attack visited in August 2019 (left) and August 2020 (right). SERP: search engine results page.