Abstract
References
1.
Kahn
S
. (1965 ) American Journal of Surgery
110 , 996 .
2.
Karydakis
G E
. (1973 ) Lancet
ii , 1414 .
3.
Munro
R S
McDermott
F T
. (1965 ) British Journal of Surgery
52 , 177 .
4.
Notaras
M J
. (1970 ) British Journal of Surgery
57 , 886 .