Chigovera, Tadiwanashe Variation of renal resistive index values and systematic blood pressure in hypertensive patients / Tadiwanashe Chigovera. - Bulawayo, Zimbabwe : National University of Science and Technology, ©2018. - xi, 45 pages : illustrations ; 30 cm. A Research project submitted to National University of Science and Technology in partial fulfilment of the requirements for the Bachelor of Science Honours Degree in Radiography. Includes bibliographical references. Subjects--Topical Terms: Hypertension.Kidneys--Blood vessels.Renal circulation. LC Class. No.: RC685.H9 CHI