Kety, S.S.: Measurement of regional circulation by the local clearance of radioactive sodium. Am. Heart J., 38: 321, 1949.
2.
Walder, D.N.: A technique for investigating the blood supply of muscle during exercise. Br. Med. J., 1: 255, 1958.
3.
Lassen, N.A. , Lindbjerg, J., Munck, O.: Measurement of blood flow through skeletal muscle by intramuscular injection of 133 Xe. Lancet, 1: 686, 1964.
4.
Lassen, N.A. , Kampp, M.: Muscle blood flow in normal man and in patients with intermittent claudication evaluated by simultaneous Xe-133 and Na-24 clearences. J. Clin. Invest., 43: 1805, 1964 .
5.
Cutajar, C.L. , Brown, N.J., Marston, A.: Muscle blood flow studies by the technetium-99m clearance technique in normal subjects and in patients with intermittent claudication . Br. J. Surg., 58: 532, 1971.
6.
Appleberg, M. , Lewis, J.D.: Evaluation of aortoiliac disease with Doppler ultrasound and isotope clearance techniques. S. Afr. Med. J., 49: 1744, 1975.
7.
Angelides, N. , Nicolaides, A., Needham, T., et al.: The mechanism of calf claudication: studies of simultaneous clearance of 99m-Tc from the calf and thigh. Br. J. Surg., 65: 204, 1978.
8.
Carter, S.A. : Indirect systolic pressures and pulse waves in arterial occlusive disease of the lower extremities. Circulation , 37: 624, 1968.
9.
Yao, S.T.: Haemodynamic studies in peripheral arterial disease. Br. J. Surg., 57: 761, 1970.