Unnamalai R.M., Dipayan Deb Barman, Vivek Valliappan. "A Questionnaire-Based Cross Sectional Study on the Prevalence of Substance Abuse among Age 17 to 25 Years in the Chengalpattu Population with Medico Legal Perspectives." Indian Journal of Forensic Medicine and Pathology, 2026. doi:10.21088/ijfmp.0974.3383.19226.11