Narayanagowda DS, Golia S, Jaiswal J, Manasa SS. A bacteriological study of acute exacerbation of chronic obstructive pulmonary disease over a period of one year. Int J Res Med Sci [Internet]. 2017 Jan. 16 [cited 2025 Oct. 15];3(11):3141-6. Available from: https://www.msjonline.org/index.php/ijrms/article/view/1871