https://www.levif.be/international/union-europeenne/le-parquet-europeen-sempare-enfin-de-la-plainte-belge-contre-von-der-leyen/
http://www.europarl.europa.eu/sides/getDoc.do?pubRef=-%2f%2fEP%2f%2fNONSGML%2bCOMPARL%2bPE-627.625%2b01%2bDOC%2bPDF%2bV0%2f%2fEN
https://knowledge.wharton.upenn.edu/article/is-portugals-drug-decriminalization-a-failure-or-success-the-answer-isnt-so-simple/