1.
Swethaa AR, Salim AA, Reddy AAN, Ankitha CD, Bhardwaj A. Low-Cost Respiratory Aid for Chronic Obstructive Pulmonary Disease (COPD). IJRESM [Internet]. 2025 Apr. 15 [cited 2025 Apr. 19];8(4):1-5. Available from: https://journal.ijresm.com/index.php/ijresm/article/view/3240