Abstract

References
1.
Blair
J S G
Duguid
H L D
(1960 ) Brit. J. Surg.
47 , 445
2.
Cooling
C I
Protheroe
R H B
(1958 ) Postgrad. Med. J.
34 , 492
3.
Fethers
J B
(1959 ) Brit. J. Surg.
47 , 187
4.
Lauenstein
C
(1882 ) Zbl. Chir.
11 , 137
5.
Mavor
G E
(1959 ) Postgrad. med. J.
35 , 408
6.
McCort
J J
(1960 ) New Engl. J. Med.
262
168
7.
Rijsbosch
J K
(1958 ) Arch. Chir. Neerl.
10 , 124
8.
Zeissler
J
Rassfeld-Sternberg
L
(1949 ) Brit. med. J.
i , 267
