[1]
Shamim, W., Iqbal, M. and Chaudhry, A.H. 2013. EFFECTS OF QRS DURATION ON MYOCARDIAL PERFORMANCE AS ASSESSED BY Z-RATIO AND TEI-INDEX IN CHRONIC HEART FAILURE PATIENTS. Pakistan Heart Journal. 46, 1 (Jun. 2013). DOI:https://doi.org/10.47144/phj.v46i1.607.