Abstract

References
1.
Chiari
H
(1878 ) Med. Jb., Wien p 419
2.
Cornes
J S
,
Wallace
M H
&
Morson
B C
(1961 ) J. Path. Bact . 82 , 371
3.
Dukes
C E
&
Galvin
C
(1956 ) Ann. R. Coll. Surg. Engl . 18 , 246
4.
Eisenhammer
S
(1958 ) Surg. Gynec. Obstet . 106 , 595
5.
Gordon-Watson
C
&
Dodd
H
(1935 ) Brit. J. Surg . 22 , 703
6.
Hermann
G
&
Desfosses
L
(1880 ) C. R. Acad. Sci., Paris
90 , 1301
7.
Hill
M R
,
Shryock
E H
&
Rebell
F G
(1943 ) J. Amer. med. Ass . 121 , 742
8.
Johnson
F P
(1914 ) Amer. J. Anat . 16 , 1
9.
Kratzer
G L
&
Dockerty
M B
(1947 ) Surg. Gynec. Obstet . 84 , 333
10.
Lockhart-Mummery
H E
&
Morson
B C
(1960 ) Gut
1 , 87
11.
Lockhart-Mummery
J P
(1929 ) Proc. R. Soc. Med . 22 , 1331
12.
Morson
B C
&
Lockhart-Mummery
H E
(1959 ) Lancet
ii , 1122
13.
Parks
A G
(1961 ) Brit. med J . i , 463
14.
Venturo
R C
(1953 ) Amer. J. Surg . 86 , 641
15.
Gabriel
W B
(1921 ) Proc. R. Soc. Med . 14 , Sect. Surg. p 156
16.
Milligan
E T C
(1943 ) Proc. R. Soc. Med . 36 , 365
17.
Milligan
E T C
&
Morgan
C N
(1934 ) Lancet
ii , 1213
18.
Ellis
M
(1960 ) Proc. R. Soc. Med . 53 , 652
19.
Parks
A
(1961 ) Brit. med. J . i , 463
