Neelamma KAS, E. DR. Clinical profile and bacteriological eitiology in cases of acute exacerbation of COPD in a tertiary care: a tertiary care study. Int J Adv Med [Internet]. 2021 Apr. 22 [cited 2025 May 15];8(5):696-700. Available from: https://www.ijmedicine.com/index.php/ijam/article/view/2901