1. United Nations Office on Drugs and Crime. World Drug Report 2019. 35 million people worldwide suffer from drug use disorders while only 1 in 7 people receive treatment [Internet]. United Nations Information Service. (2019). Accessed: 2020 Jun 10: https://wdr.unodc.org/wdr2019/press/WDR_2019_press_release.pdf.
2. Drug abuse in Pakistan reaches alarming level [Internet]. [cited. (2020). https.//nation.com.pk/10-Feb-2018/drug-abuse-in-pakistan-reaches-alarming-level.
3. HIV, hepatitis C, and abstinence from alcohol among injection and non-injection drug users;Elliott JC;AIDS Behav,2016
4. Infected pseudo-aneurysms in intravenous drug abusers: ligation or reconstruction?;Saini N;Int J Appl Basic Med Res,2014
5. Robbins Basic Pathology;Kumar,2018