[1]
R., P.K., Ratnam, P.K., R., P.K.K. and V. K., K.K.T. 2020. P wave axis and its correlation with severity of chronic obstructive pulmonary disease. International Journal of Advances in Medicine. 7, 3 (Feb. 2020), 506–511. DOI:https://doi.org/10.18203/2349-3933.ijam20200667.