Vyas, S. “To Compare The Effects Of Marble And Stone Dust On Lung Volumes And Capacity: Effects Of Marble And Stone Dust On Lung Volumes And Capacity”. National Journal of Integrated Research in Medicine, vol. 4, no. 3, June 2013, pp. 22-27, http://nicpd.ac.in/ojs-/index.php/njirm/article/view/2174.