Hasmi, A. H., P. S. Lai, and M. S. Mahmood. “Adulteration in the Drug of Abuse: An Autopsy Study on the Prevalence and Its Role in Natural Death”. Toxicology International, vol. 25, no. 2, July 2019, pp. 124-9, doi:10.18311/ti/2018/v25i2/21736.