Abstract
References
1.
Bradstreet
C M P
Taylor
C E D
. (1962 ) Mon. Bull. Minist. Hlth Lab. Serv.
21 , 96 .
2.
Cbanock
R M
Hayflick
L
Barile
M F
. (1962 ) Proc. nat. Acad. Sci., Wash.
48 , 41 .
3.
Chanock
R M
James
W D
Fox
H H
Turner
H C
Mufson
M A
Hayflick
L
. (1962 ) Proc. Soc. exp. Biol, N.Y.
110 , 84 .