Abstract

References
1.
Calnek
B W
Fabricant
J
Schat
K A
Murthy
K K
(1977 ) Avian Diseases
21 , 346
2.
Fabricant
C G
Fabricant
J
Litrenta
M M
Minick
C R
(1978 ) Journal of Experimental Medicine
148 , 335
3.
Galloway
I A
(1929 ) Proceedings of the Royal Society of Medicine
22 , 1167
4.
Huebner
R J
Todaro
G J
(1969 ) Proceedings of the National Academy of Sciences
64 , 1087
5.
Lampert
P
Garrett
R
Powell
H
(1977 ) Acta neuropathologica
40 , 103
6.
Lawn
A M
Payne
L N
(1979 ) Neuropathology and Applied Neurobiology (in press)
7.
Nazerian
K
Lee
L F
(1976 ) Virology
74 , 188
8.
Nazerian
K
Lee
L F
Sharma
J M
(1976 ) Progress in Medical Virology
22 , 123
9.
Payne
L N
Biggs
P M
(1967 ) Journal of the National Cancer Institute
39 , 281
10.
Payne
L N
Frazier
J A
Powell
P C
(1976 ) International Review of Experimental Pathology
16 , 59
11.
Purchase
H G
(1977 ) Beltsville Symposia in Agricultural Research , vol I . Virology in Agriculture . Allanheld, Osmun & Co , Montclair, NJ
12.
Ross
L J N
(1977 ) Nature (London)
268 , 644
13.
Schmahl
W
Hoffman-Fezer
G
Hoffman
R
(1975 ) Zeitschrift für Immunitätsforschung
150 , 175
14.
Tanaka
A
Silver
S
Nonoyama
M
(1978 ) Virology
88 , 19
