Abstract
References
1.
Brain
W. R.
Northfield
D.
Wilkinson
M.
(1952 ) Brain , 75 , 187 .
2.
Kahn
E. A.
(1947 ) J. Neurosurg. , 4 , 191 .
3.
Muller
R.
(1951 ) Acta med. scand. , 139 , 88 .
4.
Taylor
A. R.
(1951 ) J. Bone Jt. Surg. , 33b , 543 .