R. Campbell
发表
R. Campbell,
D. L. Hubbard,
R. Sloan,
1975
.
J. J. Colbert,
R. G. Mitchell,
R. Stark,
1987
.
R. Campbell,
R. Sloan,
1977
.
R. Butler,
D. Manuwal,
R. Campbell,
1987
.
F. Bunnell,
K. Squires,
R. Campbell,
2005
.
R. Campbell,
R. Sloan,
1977
.
R. Campbell,
R. Sloan,
1978
.
R. Campbell,
R. Sloan,
1978
.
R. Campbell,
R. Sloan,
1976
.
Lorna C. Youngs,
R. Campbell,
2012
.
Biological and genetic analysis of a longitudinal collection of Giardia samples derived from humans.
R. Shepherd,
P. Upcroft,
P. Boreham,
1995,
Acta tropica.
R. Campbell,
P. Abeywickrema,
C. Fenton,
1979,
The Medical journal of Australia.
R. Campbell,
D. L. Hubbard,
R. Sloan,
1975
.
Pierre Vernier,
M. Preston,
R. Campbell,
2006
.
M. Preston,
B. Columbia.,
R. Campbell,
2003
.
R. Campbell,
M. Simic,
J. Paulson,
1978
.
M. Preston,
B. Columbia.,
R. Campbell,
2006
.
M. Preston,
R. Campbell,
British Columbia.,
2007
.
M. Preston,
R. Campbell,
British Columbia.,
2005
.
R. Campbell,
1975
.
Andrew M. Liebhold,
J. Elkinton,
A. Liebhold,
1991
.
A. Harestad,
D. Manuwal,
R. Campbell,
1987
.
R. Campbell,
Neil K. Dawe,
B. Branch,
1993
.
H. Carter,
M. S. Rodway,
R. Campbell,
1977
.
R. Campbell,
1969
.
R. Campbell,
R. Sloan,
C. E. Biazak,
1977
.
R. Campbell,
H. Hill,
1973
.
R. Campbell,
W. E. Truce,
1966
.
R. Campbell,
J. Geibel,
1996
.
R. Campbell,
W. E. Truce,
J. R. Norell,
1964
.
R. Campbell,
T. Torgersen,
N. Srivastava,
1984,
The Canadian Entomologist.
R. Campbell,
C. Sloan,
P. Harbutt,
1971,
Australian veterinary journal.
R. Campbell,
L. Audrieth,
C. Slobutsky,
1937,
Proceedings of the National Academy of Sciences of the United States of America.
R. Stark,
R. W. Stark,
R. Campbell,
1978
.
R. Campbell,
1983
.
R. Campbell,
Robert W. Campbell,
1963,
The Canadian Entomologist.
J. D. Podgwaite,
R. Campbell,
1972
.
J. D. Podgwaite,
R. Campbell,
1971,
Journal of invertebrate pathology.
R. Campbell,
1963,
The Canadian Entomologist.
R. Campbell,
W. E. Truce,
G. Madding,
1967
.
R. Campbell,
R. Domrow,
1974,
Transactions of the Royal Society of Tropical Medicine and Hygiene.
R. Campbell,
W. Scott,
I. Cook,
1967
.
R. Campbell,
E. Gan,
T. Chan,
1982,
The Australian journal of experimental biology and medical science.
F. Bunnell,
K. Squires,
R. Campbell,
2004
.
M. John,
E. Acheampong,
R. Campbell,
2011
.
R. Campbell,
C. Dobson,
A. Webb,
1967,
The Journal of parasitology.
R. Campbell,
W. Rodebush,
1936
.
R. Campbell,
I. Cook,
G. Barrow,
1966,
Australian veterinary journal.
R. Campbell,
T. Torgersen,
1983
.
Lorna C. Youngs,
R. Campbell,
1984,
The Canadian Entomologist.
R. Campbell,
T. Torgersen,
1982
.
R. Campbell,
M. Waser,
1989
.
R. Campbell,
1972,
Australian veterinary journal.
R. Campbell,
Robert W. Campbell,
1963,
The Canadian Entomologist.
R. Campbell,
H. Watts,
M. Webster,
1969,
Australian veterinary journal.
R. Campbell,
2010
.
E. L. Kendig,
R. Campbell,
J. Howell,
2015,
The American review of respiratory disease.
Stephen R. Johnson,
P. Donald,
R. Campbell,
2020,
Birds of the World.
R. Campbell,
T. Torgersen,
1982
.
R. Campbell,
T. Torgersen,
1983
.
H. T. Valentine,
R. Campbell,
1972
.
R. Campbell,
R. Sloan,
1977
.
S. Sealy,
R. Campbell,
A. Dorst,
1981
.
R. Campbell,
Max W. Mc Fadden,
1977
.
R. C. Beckwith,
R. Campbell,
T. Torgersen,
1983
.
R. Campbell,
1996
.
R. Campbell,
H. Hill,
1975
.