1. Peripheral Vascular Diseases,;ALLEN, E.V.; BARKER, N.W.; HINES, Jr, E.A.,1955
2. ANDRUS, W. de W. (1950), Arch. Surg. (Chicago), 6o, 5II.
3. ATLAS, L. N. (1942), Surg. Gynec. Obstet., 74, 236.
4. BURT, C. C., LEARMONTH, J. R., and RICHARDS-R. (1952), Edinb. med. J., N.S.5g, 65.
5. FLASHER, J., and STEPHENSON, W. (1952), Angiology, 3,249.