Zahid, M., A. Zareen, T. Zahid, K. Altaf, H. . Sarwar, and S. Shafiq. “Diagnostic Accuracy of Internal Jugular Vein Collapsibility Index For The Diagnosis of Hypovolemia In Intensive Care Unit Patients”. Journal of Rawalpindi Medical College, vol. 30, no. 2, June 2026, doi:10.37939/jrmc.v30i2.3146.