Dey, Pulak Kumar, Mita Bhowmik, Sanjay Kumar Kar, and Subrata Kumar Gain. 2021. “Diffusing Capacity of Lung for Carbon Monoxide (DLCO) in Evaluation of Lung Function”. Chest &Amp; Heart Journal 44 (1):43-47. https://banglajol.info/index.php/CHJ/article/view/56382.