D. Powell
发表
P. Timoney,
D. Powell,
1988
.
R. Webster,
J. Daly,
A. Lai,
1994,
Virology.
K. Shortridge,
K. L. Watkins,
D. Powell,
1993,
Veterinary Record.
K. Shortridge,
K. Shortridge,
P. H. Li,
1994,
Veterinary Record.
D. Powell,
1985
.
C. Frank,
J. David,
D. Powell,
1978,
Veterinary Record.
David G. Powell,
D. Powell,
1988
.
B. J. Meade,
Zhengchun Lu,
U. Balasuriya,
2010,
The Journal of general virology.
D. Powell,
1975,
Veterinary Record.
D. Goodridge,
R. Burrows,
D. Powell,
1974,
Equine veterinary journal.
R. Heap,
J. Gadsby,
D. E. Walters,
1972,
Veterinary Record.
R. Lemcke,
B. Andrews,
D. Powell,
1973,
Veterinary Record.
J. M. Williams,
H. Platt,
D. Powell,
1985,
The British veterinary journal.
J. W. Whalen,
J. Traub-Dargatz,
J. Srinivasappa,
1997,
Journal of the American Veterinary Medical Association.
M. Hardy,
R. Dwyer,
M. Conner,
1991,
Journal of clinical microbiology.
B. Allen,
D. Powell,
C. Kane,
1984,
Equine veterinary journal.
D. Powell,
1991,
The Veterinary clinics of North America. Equine practice.
D. Powell,
P. Timoney,
1982,
Veterinary Record.
T. Chambers,
R. Holland,
D. Powell,
1997
.
D. Powell,
1986,
Revue scientifique et technique.
C. Frank,
J. David,
D. Powell,
1978,
Veterinary Record.
G. Schild,
W. Plowright,
R. Burrows,
1974,
Veterinary Record.
J. W. Whalen,
A. Sheoran,
J. Timoney,
2000,
Veterinary Record.
D. Powell,
2000,
The Veterinary clinics of North America. Equine practice.
D. Powell,
J. Kerry,
1971,
Veterinary Record.
R. H. Leach,
B. Andrews,
G. Cottew,
1976,
Veterinary Record.
N. M. Williams,
F. Knapp,
D. Powell,
1990,
Journal of medical entomology.
D. Powell,
1976,
Veterinary Record.