Jafri, S., N. Ahmed, N. Saifullah, and M. Musheer. “Epidemiology and Clinico-Radiological Features of Interstitial Lung Diseases: Clinico-Radiological Features of Interstitial Lung Diseases”. Pakistan Journal of Medical Sciences, Vol. 36, no. 3, Mar. 2020, doi:10.12669/pjms.36.3.1046.