Gupta K B, Vishvkarma S, Sandhya A S, Magu S, Choudhary U, Gupta M. “Correlation Between the Sputum Bacteriology and Lung Function in Patients With Stable Bronchiectasis”. The Indian Practitioner, Vol. 70, no. 6, June 2019, pp. 20-26, https://articles.theindianpractitioner.com/index.php/tip/article/view/281.