Abstract
References
1.
Abbe
R
(1889 ) Medical Record (New York) 35 , 149 .
2.
Echols
D H
(1969 ) Journal of Neurosurgery 31 , 335 .
3.
Frykholm
R
(1951 ) Acta Chirurgica Scandinavica , Suppl; p 1960 .
4.
Russell
W R
(1949 ) British Medical Journal i , 1024 .
5.
Spiller
W G
Martin
C
(1912 ) Journal of the American Medical Association 23 , 639 .
6.
White
J C
(1966a ) Clinical Neurosurgery 13 , 20 .
7.
White
J C
(1966b ) Clinical Neurosurgery 13 , 1 .