Shriharshavardhan S V, Sarkar M, Kandoria A, Negi RS, Sharma S. P-WAVE ABNORMALITIES IN PATIENTS OF STABLE CHRONIC OBSTRUCTIVE PULMONARY DISEASE. Natl J Med Res [Internet]. 2016 Jun. 30 [cited 2024 Jul. 3];6(02):181-5. Available from: https://njmr.in/index.php/file/article/view/262