Abstract

References
1.
Churchill
E. D.
(1944 ) J. thorac. Surg. , 13 , 307 .
2.
Graham
E. A.
Bell
R. D.
(1918 ) Amer. J. med. Sci. , 156 , 834 .
3.
Hippocrates. The Medical Works of Hippocrates.
Chadwick
J.
Mann
W. N.
(1950 ) Oxford, pp. 120 and 253 .
4.
Hunter
J.
The Works of John Hunter. edited by
Palmer
J. F.
(1837 ) London . 4 , 417 .
5.
Paré
A.
Opera Ambrosii Parei, Parisiis (Apud. Jacobum Du-Puys) (1582 ) Liber Sextus . p. 238 .
