1. Personal communication;R Ackland,1973
2. Arcilla R, Rowe MI: Modified dye dilution technique for cardiac output studies in tiny subjects. Am Heart J 77(6):798, 1969
3. Cannon JA, Lobpries EL, Herrold G, et al: Experience with a new electro-magnetic flow-meter for use in blood-flow determinations in surgery. Ann Surg 152:635, 1960
4. Conrad WA: Pressure relationships in collapsible tubes. Bio Eng 16(4):284, 1969
5. Denison AB, Spencer MP, Green HD: A square wave electromagnetic flowmeter for application to intact blood vessels. Cir Res 111 (1)139, 1955