https://freedomhouse.org/sites/default/files/FOTN_2018_Final%20Booklet_11_1_2018.pdf
https://insightcrime.org/wp-content/uploads/2023/05/The-Flow-of-Precursor-Chemicals-for-Synthetic-Drug-Production-in-Mexico-InSight-Crime-March-2023-3.pdf
https://www.veblen-institute.org/IMG/pdf/rapport_pub_et_conso_synthese.pdf
https://www.nuffieldtrust.org.uk/files/2020-07/resuming-health-services-web.pdf