Abstract
Get full access to this article
View all access options for this article.
References
1.
Brennan
J. B.
(1955 ).
Lancet
, 1 , 841 .
2.
Cosin
L. Z.
(1948 ).
Brit. J. phys. Med.
, 11 , 161 .
3.
Cosin
L. Z.
(1956 ).
Proc. Roy. Soc. Med.
, 49 , 237 .
4.
Exton-Smith
A.N.
(1955 ).
Medical Problems of Old Age
, pp. 80 –86 . Bristol ; John Wright .
5.
Warren
Marjorie
. (1948 ).
Brit. J. phys. Med.
, 11 , 167 .