Ali Bin Sarwar Zubairi, Huzaifa Ahmad, Maryam Hassan, Faraz Siddiqui, Nousheen Iqbal, Mehmood Riaz and Muhammad Irfan 2021. 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. 71, 10 (Jul. 2021), 2330–2334. DOI:https://doi.org/10.47391/JPMA.01-107.