@article{article, title = {{Atonomic nervous system changes in chronic obstructive pulmonary disease (Copd) patients}}, url = {{}}, year = {{2011}}, month = {{12}}, author = {{Aggarwa LS and Meena A and Kaur N and Bachhal R and Sidhu RS}}, volume = {{5}}, journal = {{Journal of Clinical and Diagnostic Research}}, issue = {{8}}, pages = {{1533-1536}}, note = {{Accessed on 2025/06/22}}}