T, Raakhee Baby, Sreenivasa Rao U, and Subbarayudu S. “Surveillance of Pseudomonas in COPD Patients in a Tertiary Care Hospital”. International Journal of Research in Medical Sciences 3, no. 5 (January 8, 2017): 1209–1212. Accessed December 2, 2023. https://www.msjonline.org/index.php/ijrms/article/view/1471.