Abstract
References
1.
Allen
A. C.
(1949 ) Cancer , 2 , 28 .
2.
Allen
A. C.
Spitz
S.
(1953 ) Cancer , 6 , 1 .
3.
New
G. B.
Hansel
F. K.
(1921 ) J. Amer. med. Ass. , 77 , 19 .