Santosh Kumar Nayan, Siddharth Singh, Janardan, and Sumeet Kumar. “Role of Blood Urea Nitrogen (BUN)/ Serum Creatinine Ratio and Urine Specific Gravity for Early Neurological Deterioration in Patients With Acute Ischaemic Stroke”. International Journal of Health and Clinical Research 5, no. 1 (January 16, 2022): 370–372. Accessed May 11, 2024. https://www.ijhcr.com/index.php/ijhcr/article/view/4166.