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. 2023 Aug 18;44:1605672. doi: 10.3389/phrs.2023.1605672

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Copyright © 2023 Salikhanov, Connor, Kunirova, Khashagulgova, Nazarova, Crape and Katapodi.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms. PHR is edited by the Swiss School of Public Health (SSPH+) in a partnership with the Association of Schools of Public Health of the European Region (ASPHER)+

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World distribution of morphine-equivalent opioids and the percentage of covered needs for pain relief [9]. License number: 5320150276782. Provided by the Elsevier and Copyright Clearance Center (United States, 2018).