Abstract

References
1.
Boyden
E A
. (1926 ) Amer. J. Anat.
38 , 177 .
2.
Munson
C L
Teixido
R
. (1959 ) Delaware St. med. J.
31 , 193 .
3.
Owen
R A
Wallace-Jones
D R
. (1962 ) Brit. J. Surg.
49 , 577 .
4.
Raymond
S W A
Thrift
C B
. (1956 ) Illinois med. J.
110 , 239 .
5.
Recht
W
. (1951 ) Brit. J. Surg.
39 , 342 .
6.
Ryrberg
C H
. (1960 ) Acta chir. scand.
119 , 36 .
7.
Williams
J L
. (1957 ) Postgrad. med. J.
33 , 236 .
8.
Wilson
C L
. (1939 ) Ann. Surg.
110 , 60 .
