Saad bin Nafis, Naqvi I, Shafiq F, Nazir M. PRE-OPERATIVE STATUS OF SERUM SODIUM, POTASSIUM, BLOOD UREA NITROGEN AND CREATININE IN HYPERTENSIVE PATIENTS SCHEDULED FOR ELECTIVE NON-CARDIAC SURGERY. KJMS [Internet]. 2026 Mar. 31 [cited 2026 Apr. 12];19(1). Available from: https://kjms.com.pk/index.php/kjms/article/view/844