Abdul Qadir Bhutto1, Nandlal Rathi2, Jagdesh Kumar3, Abdul Aziz Sahito4, Kartik Kumar Rathi5. “SERUM ELECTROLYTES IN CARDIOMYOPATHY PATIENTS AND ITS ASSOCIATION WITH MORBIDITY AND ADVANCE NYHA CLASSIFICATION”. Journal of Peoples University of Medical &Amp; Health Sciences Nawabshah. (JPUMHS), vol. 9, no. 3, June 2016, pp. 37-42, http://publication.pumhs.edu.pk/index.php/ojs/article/view/454.