R. Duncan
发表
L. N. Locke,
V. Hinshaw,
R. Slemons,
1990,
Avian diseases.
W. L. Jensen,
R. Duncan,
W. I. Jensen,
1976,
Journal of wildlife diseases.
R. Duncan,
W. I. Jensen,
1980,
Japanese journal of medical science & biology.
C. Thoen,
R. Stroud,
R. Duncan,
1986,
Journal of wildlife diseases.
M. Brittingham,
S. A. Temple,
R. Duncan,
1988,
Journal of wildlife diseases.
M. A. Wilson,
R. Duncan,
B. Berlowski,
1995,
Avian diseases.
M. A. Wilson,
R. Duncan,
B. Berlowski,
1995,
Avian diseases.
R. Cook,
C. Brand,
Christopher J. Brand,
1988
.
C. Brand,
R. Duncan,
R. Windingstad,
1988,
Avian diseases.
R. Duncan,
R. Windingstad,
D. Thornburg,
1983,
Journal of wildlife diseases.
C. Brand,
R. Duncan,
1983
.
T. Cooley,
C. Brand,
S. Schmitt,
1988,
Journal of Wildlife Diseases.
C. Brand,
R. Duncan,
D. Olson,
1983
.