Abstract
References
1.
Hawk
W A
Turnbull
R B
Schofield
P F
. (1969 ) Surgery
66 , 953
2.
Hill
M J
Drasar
B S
Aries
V
Crowther
J S
Hawksworth
G
Williams
R E G
. (1971 ) Lancet
i , 95
3.
Schofield
P F
. (1965 ) Annals of the Royal College of Surgeons of England
36 , 258
4.
Schofield
P F
Fox
H
. (1967 ) British Journal of Surgery
57 , 307