| Research Protocol
Physiological Cost Index of Walking among Non Smokers, Smokers and Smokers with Chronic Obstructive Pulmonary Disease- An Observational Study
Published: November 1, 2022 | DOI: https://doi.org/10.7860/JCDR/2022/60252.17149
Parkavi Kumaresan, Umarani Ravichandran, John William Felix, Karthik Vijayan
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