IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-13-3-55011 Original Research Paper Toxicological Assessment Of Mainstream Emissions From Tobacco Heating System Compared To Conventional Cigarettes And Beedis Sood Dr. Nidhi Tiwari Dr. Musarrat H Warsi Dr. March 2024 13 3 01 02