Abstract
References
1.
Anderson
J C
Hynes
W
. (1949 ) British Journal of Urology
21 , 209 –214 .
2.
Nixon
H H
. (1953 ) British Journal of Surgery
40 , 601 –609 .
3.
Williams
D I
Karlaftis
C M
. (1966 ) British Journal of Urology
38 , 138 –142 .