Measurement of Peak Systolic Velocities and End Diastolic Velocities of Common Carotid, Internal Carotid and Vertebral Arteries of Healthy Adult Subjects by Duplex Colour Doppler Sonography : A Study of 100 Cases. IAHS Med. J. 2022, 4 (1), 17-21. https://doi.org/10.3329/iahsmj.v4i1.59103.