Ali Bin Sarwar Zubairi, Huzaifa Ahmad, Maryam Hassan, Faraz Siddiqui, Nousheen Iqbal, Mehmood Riaz, and Muhammad Irfan. “Comparative Analysis of Connective Tissue Disease-Associated Interstitial Lung Disease and Idiopathic Pulmonary Fibrosis from a Tertiary Care Centre in Pakistan”. Journal of the Pakistan Medical Association, vol. 71, no. 10, July 2021, pp. 2330-4, doi:10.47391/JPMA.01-107.