Pawan, M., R. Choudhary, R. Mathur, M. Choudhary, and M. Kamla. “Study On Harmful Effects Of Opium On Liver And Lungs In Chronic Opium Addicts Of Western Rajasthan”. Journal of Bangladesh Society of Physiologist, vol. 6, no. 2, Feb. 2012, pp. 122-6, doi:10.3329/jbsp.v6i2.9762.