Abstract
References
1.
Longland
C J
. (1973 ) British Journal of Surgery
60 , 626
2.
Shore
J M
. &
Lippman
H N
. (1965 ) Lancet
i , 1200
3.
Cotton
P B
,
Chapman
M
,
Whiteside
C G
. &
Le Quesne
L P
. (1976 ) British Journal of Surgery (in press)