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. 2015 Sep 8;6:931. doi: 10.3389/fmicb.2015.00931

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Copyright © 2015 Dahal, Chitti, Nair and Saxena.

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) or licensor 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.

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Prevalence of cocaine use in 2010 (UNODC). Source: UNODC estimates based on annual report questionnaire data and other official sources. The bound-aries and names shown and the designations used on this map do not imply official endorsement or acceptance by the United Nations. Final boundary between the Republic of Sudan and the Republic of South Sudan has not yet been determined. Dashed lines represent undermined bound-aries. Dotted line represents approximately the line of Control in Jammu and Kashmir agreed upon by India and Pakistan. The final status of Jammu and Kashmir has not yet been agreed upon by the parties. The final boundary between the Republic of Sudan and the Republic of South Sudan has not yet been determined.