“SOCIODEMOGRAPHIC PROFILE OF INTRAVENOUS DRUG USERS RECEIVING OPIOID SUBSTITUTION THERAPY AT LADY HARDINGE MEDICAL COLLEGE, NEW DELHI ”. Journal of Forensic Medicine and Toxicology, vol. 36, no. 1, July 2019, pp. 24-29, https://jfmtonline.com/index.php/jfmt/article/view/181.