D. Roberts
发表
H. Pereira,
G. Snoeyenbos,
B. Easterday,
1966,
Bulletin of the World Health Organization.
S. Cartwright,
G. Wibberley,
D. Roberts,
1987,
Veterinary Record.
D. Roberts,
1969,
The Journal of applied bacteriology.
D. Westcott,
M. Lucas,
G. Wibberley,
1988,
Veterinary Record.
D. Roberts,
J. W. Mcdaniel,
1967,
Journal of comparative pathology.
O. M. Olesiuk,
D. Roberts,
1966,
The Journal of infectious diseases.
D. Roberts,
1970,
Veterinary Record.
D. Roberts,
1964,
Journal of comparative pathology.
H. Roekel,
O. M. Olesiuk,
D. Roberts,
1967
.
D. Roberts,
1974,
The British veterinary journal.
T. Little,
D. Roberts,
1976,
Veterinary Record.
C. Pijoan,
J. Harding,
D. Roberts,
1972,
The Journal of applied bacteriology.
T. Little,
D. Roberts,
1970,
Journal of comparative pathology.
R. Day,
M. Dawson,
D. Chasey,
1979,
Veterinary Record.
M. Lucas,
G. Wibberley,
D. Roberts,
1985,
Veterinary Record.
D. Roberts,
1964,
Journal of comparative pathology.
D. Roberts,
1967,
Nature.
D. Chasey,
M. Lucas,
G. Wibberley,
1981,
Journal of biological standardization.
M. Lucas,
D. Roberts,
C. Swallow,
1989,
Veterinary immunology and immunopathology.
M. Corteyn,
S. Graham,
P. Roeder,
1991,
Veterinary Record.
D. Roberts,
1968,
Epidemiology and Infection.
I. Kakoma,
F. Rurangirwa,
D. Roberts,
1975,
Research in veterinary science.
R. Windsor,
D. Roberts,
1974,
Research in veterinary science.
R. Windsor,
D. Roberts,
W. Masiga,
1973,
Infection and immunity.
D. Roberts,
1971,
Journal of Hygiene.
B. Parker,
M. Lucas,
G. Wibberley,
1986,
Research in veterinary science.
D. Roberts,
1973,
British Veterinary Journal.
D. Westcott,
J. Sands,
M. Lucas,
1982,
The British veterinary journal.
G. Wibberley,
D. Roberts,
C. Swallow,
1988,
British Veterinary Journal.
G. Wibberley,
D. Roberts,
GC Pritchard,
1987,
Veterinary Record.
C. Wilson,
T. Little,
D. Roberts,
1971,
The British veterinary journal.
D. Roberts,
1964
.
C. Pijoan,
D. Roberts,
1971,
The British veterinary journal.
S. Bushnell,
D. Roberts,
1982,
Veterinary Record.
D. Chasey,
M. Lucas,
G. Wibberley,
1982,
Veterinary Record.
J. Banks,
D. Roberts,
MH Lucas,
1993,
Veterinary Record.
S. Bushnell,
M. Lucas,
G. Wibberley,
1982,
Veterinary Record.
D. Roberts,
1964
.
M. Lucas,
D. Roberts,
1981
.
M. Lucas,
R. Bell,
D. Roberts,
1993,
The British veterinary journal.
T. Little,
D. Roberts,
1970,
Veterinary Record.
G. Snoeyenbos,
O. M. Olesiuk,
D. Roberts,
1967
.
D. H. Evans,
D. Roberts,
P. Stuart,
1977,
The British veterinary journal.