1.
Dr. Seema, Dr. Kamna Tiwari, Dr. Ajay Pal Singh, Dr.Sanjay Rawat. ‘’STUDY THE ECG FINDINGS, ECHO FINDINGS AND HOLTER MONITORING FINDINGS IN COPD PATIENT’’. J Popl Ther Clin Pharmacol. 2023;30(7):517-528. doi:10.53555/jptcp.v30i7.2615