Vyas DS, Nayak DH. 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. Natl J Integr Res Med [Internet]. 2012 Aug. 31 [cited 2024 May 14];3(3):81-5. Available from: http://nicpd.ac.in/ojs-/index.php/njirm/article/view/2043