Abstract

References
1.
Cattell
R B
. (1947 ) J. Amer. med. Ass.
134 , 235 .
2.
Cattell
R B
Braasch
J W
. (1959 ) New Engl. J. Med.
261 , 929 .
3.
Smith
R
. (1964a ) In: Surgery of the Gallbladder and Bile Ducts . Ed.
Smith
R
Sherlock
S
. London ; p 305 .
4.
Smith
R
. (1964b ) Brit. J. Surg.
51 , 183 .
