Vyas, Dr. Sheetal, and Dr. Himanshu Nayak. 2012. “A Study Of The Prevalence, Pattern And Health Effects Of Passive Smoking In A Slum Area Of Ahmedabad City: A Study Of Passive Smoking in Slum Area”. National Journal of Integrated Research in Medicine 3 (3):81-85. https://doi.org/10.70284/njirm.v3i3.2043.