1. Quantitative common carotid artery blood flow: prediction of internal carotid artery stenosis;Ackroyd;J. Vasc. Surgery,1986
2. Duplex scanning of the portal vein and portasystemic shunts;Ackroyd;Surgery,1986
3. A simple, new method for in vivo measurement of ultrasound velocity in the liver and its clinical usefulness;Akamatsu,1985
4. The feasibility of measuring average speed of sound in tissue using a real-time scanner;Bamber,1985
5. Improvement of ultrasonic imaging and media characterisation by frequency domain deconvolution;Beretsky,1977