Roy, A. D. ., Yadav, D. K., Sarkar, A. ., Paul, S. ., Ghosh , S. ., Sharma, V. C. ., Gadre, S. ., & Paul , P. . (2022). Gold Guidelines for COPD-An Update on COPD Management. Journal of Current Medical Research and Opinion, 5(02). https://doi.org/10.52845/CMRO/2022/5-2-1