Abstract

Get full access to this article
View all access options for this article.
References
1.
White
R. J.
Chamberlain
D. A.
Hamer
McAlister
J.
Hawkins
J. L. A.
(1969 ). British Medical Journal , 2 , 606 .
2.
Oleson
K. H.
Valentine
N.
(1973 ). Scandinavian Journal of Thoracic and Cardiovascular Surgery , 7 , 37 .
3.
Cox
J. R.
Horrocks
P.
Speight
C. J.
Pearson
R. E.
Hobson
N.
(1971 ). Clinical Science , 41 , 55 .
