Bibliografie
https://ro.wikipedia.org/wiki/Drog
https://ro.wikipedia.org/wiki/Opioid
https://ro.wikipedia.org/wiki/Opiaceu
https://ro.wikipedia.org/wiki/Sedativ
https://ro.wikipedia.org/wiki/Barbituric
https://castlecraig.ro/dependenta/droguri/tipuri-de-droguri