Abstract

Get full access to this article
View all access options for this article.
References
1.
Friedberg
C. K.
(1966 ). Diseases of the Heart , 3rd edition , p. 642 . Philadelphia and London : W. B. Saunders .
2.
Keys
A.
Blackburn
H
. (1963 ). Progr. cardiovasc. Dis. , 6 , 14 .
3.
Morris
J. N.
. (1953 ). Lancet , 2 , 1111 .
4.
Obeysekara
I
. (1964 ). Brit. Heart J. , 26 , 625 .
5.
Paul
O.
. (1963 ). Circulation , 28 , 20 .
