Patel, M. B. ., M. N. . Patel, W. M. . Sachora, and V. A. . Ghodela. “Impact Of Counseling on Compliance in Chronic Obstructive Pulmonary Disease Patients Attending General Medicine Out Patient Department in A Tertiary Care Hospital: A Prospective Study”. National Journal of Community Medicine, vol. 4, no. 03, Sept. 2013, pp. 525-8, https://njcmindia.com/index.php/file/article/view/1570.