Rashmi KS, Shashikala MD, Naik K. Chronic Obstructive Pulmonary Disease and Smoking in India: A Meta-Analysis. Natl J Community Med [Internet]. 2022 Jul. 31 [cited 2024 Nov. 23];13(07):478-86. Available from: https://njcmindia.com/index.php/file/article/view/408