2021 | December | Volume 15
| Issue 12 | Page OC29
ORIGINAL ARTICLE
Comparison of Inhaler Device Techniques Before and After Training in Patients with Chronic Obstructive Pulmonary Disease
Published: December 1, 2021 | DOI: https://doi.org/10.7860/JCDR/2021/51846.15763
S Rajesh Kumar Jain
Last Updated : 01 Oct 2019
First Published : 5 Feb 2007