R. Johnson
发表
M. Shoukri,
M. Griffiths,
S. McEwen,
1998,
Journal of food protection.
K. Pintar,
J. Thomas,
F. Pollari,
2014,
Applied and Environmental Microbiology.
V. Gannon,
P. Michel,
R. King,
2002,
Epidemiology and Infection.
K. Stanford,
T. Mcallister,
S. Bach,
2009
.
R. Clarke,
J. Wilson,
R. Johnson,
1997
.
H. Lior,
S. McEwen,
J. Spika,
1997,
Epidemiology and Infection.
W. Cray,
R. Johnson,
S. Johnson,
1996,
Infection and immunity.
K. Stanford,
T. Mcallister,
Y. Xu,
2009,
Journal of applied microbiology.
S. McEwen,
C L Gyles,
C. Gyles,
2000,
Journal of food protection.
S. Quessy,
J. Fairbrother,
A. Letellier,
2001,
Journal of food protection.
W. Demczuk,
C. Poppe,
R. Johnson,
1993,
Canadian journal of veterinary research = Revue canadienne de recherche veterinaire.
A. Donoghue,
W. Huff,
C. Gyles,
2008,
Animal Health Research Reviews.
S. Ghimire,
D. Pearl,
J. Lejeune,
2009,
Preventive veterinary medicine.
K. Stanford,
J. Li,
J. Wang,
2015,
Food microbiology.
S. Hubler,
J. Devenish,
R. Johnson,
1989,
Infection and immunity.
C. Clark,
R. Johnson,
S. Johnson,
1995,
Journal of medical microbiology.
M. Winkler,
J. Spika,
M. Petric,
1996,
Journal of clinical microbiology.
M. Gilmour,
V. Gannon,
A. Kropinski,
2011,
Applied and Environmental Microbiology.
K. Stanford,
Y. Xu,
T. Stephens,
2009,
Applied and Environmental Microbiology.
K. Stanford,
S. Bach,
Y. Xu,
2008,
Journal of food protection.
B. Wilkie,
J. Devenish,
R. Johnson,
1990,
Journal of clinical microbiology.
K. Stanford,
H. Ackermann,
K. Munns,
2014,
Applied and Environmental Microbiology.
K. Stanford,
S. Bach,
S. Cook,
2012,
Canadian Journal of Animal Science.
R. Irwin,
C. Poppe,
R. Johnson,
1992,
Canadian journal of veterinary research = Revue canadienne de recherche veterinaire.
J. A. Johnson,
R. Johnson,
S. Groom,
1983,
The Canadian veterinary journal = La revue veterinaire canadienne.
I. Barker,
I K Barker,
N. Ducharme,
1988,
The Canadian veterinary journal = La revue veterinaire canadienne.
R. Povey,
R. Johnson,
1985,
Journal of the American Veterinary Medical Association.
R. Johnson,
J. Bossé,
S. Rosendal,
1992,
Infection and immunity.
I. Gardner,
R. Johnson,
J. Bossé,
1991,
Australian veterinary journal.
R. Johnson,
J. Bossé,
S. Rosendal,
1990,
Canadian journal of veterinary research = Revue canadienne de recherche veterinaire.
R. Johnson,
J. Bossé,
S. Rosendal,
1990,
Canadian journal of veterinary research = Revue canadienne de recherche veterinaire.
R. Povey,
R. Johnson,
1983,
The Canadian veterinary journal = La revue veterinaire canadienne.
W. Mcnab,
M. Griffiths,
S. McEwen,
2000,
Journal of food protection.
K. Stanford,
T. Stephens,
R. Johnson,
2010,
Journal of food protection.
D Alves,
J B Wilson,
S. Jackson,
1998,
Epidemiology and Infection.
R. Johnson,
Roger P. Johnson,
1992,
Canadian journal of veterinary research = Revue canadienne de recherche veterinaire.
R. Johnson,
S. Yamashiro,
C. P. Dick,
1989,
Research in veterinary science.
R. Johnson,
C. P. Dick,
1989,
Canadian journal of veterinary research = Revue canadienne de recherche veterinaire.
R. Povey,
R. Johnson,
1984,
Research in veterinary science.
C. Ginocchio,
C. Clark,
J. Galán,
1996,
FEMS microbiology letters.
D Alves,
S A McEwen,
H. Lior,
1996,
The Journal of infectious diseases.
Risk factors for infection with verocytotoxigenic Escherichia coli in cattle on Ontario dairy farms.
H. Lior,
A. Ellis,
S. McEwen,
1998,
Preventive veterinary medicine.
H. Lior,
S. McEwen,
J. Spika,
1998,
Journal of Infectious Diseases.
B T Butman,
R P Johnson,
R J Durham,
1995,
Applied and environmental microbiology.
A. Ellis,
R. Clarke,
R. Johnson,
1996,
Applied and environmental microbiology.
S. Moran,
C. Kreplin,
R. Johnson,
1983,
The Canadian veterinary journal = La revue veterinaire canadienne.
C. Nadon,
B. Berenger,
L. Chui,
2018,
Canada communicable disease report = Releve des maladies transmissibles au Canada.