Abstract

References
1.
Brod
J J
(1962 ) J. Maine med. Ass.
53 , 282
2.
Mercer
W
Duthie
R B
(1964 ) Orthopaedic Surgery . 6th ed. London; p 675
3.
Pritchard
A E
Robinson
M P
(1961 ) Lancet
ii , 1165
4.
Shaw
N E
Thomas
T G
(1963 ) Brit. med. J.
i , 162
5.
Stone
D B
Bonfiglio
(1963 ) Arch. intern. Med.
112 , 491
6.
Cronin
K
Ellis
H
(1958 ) Brit. med. J.
ii , 1319
