Abstract

References
1.
Beck
E
Daniel
P M
Parry
H B
(1964 ) Brain
87 , 153
2.
Parry
H B
(1979 ) Nature
277 , 127 (1983 ) Scrapie disease in sheep . Academic Press , London
3.
Ptashne
M
Johnson
A D
Pabo
C O
(1982 ) Scientific American
247 , No. 5 , 128
4.
Friedenstein
A J
(1973 ) In: Hard Tissue Growth, Repair and Remineralization (Ciba Foundation Symposium 11, new series) . Ed.
Elliott
K M
Fitzsimons
D W
. Elsevier/Excerpta Medica/North Holland . Amsterdam ; pp 169 –185
5.
Huggins
C
(1931 ) Archives of Surgery
22 , 377 –408
