R. Willoughby
发表
J. Thornton,
R. Willoughby,
D. G. Butler,
1970,
The Canadian veterinary journal = La revue veterinaire canadienne.
S. Martin,
V. Valli,
P. Shewen,
1988,
Canadian journal of veterinary research = Revue canadienne de recherche veterinaire.
B. Mcsherry,
R. Willoughby,
D. G. Butler,
1971,
Canadian journal of comparative medicine : Revue canadienne de medecine comparee.
R. Willoughby,
M. McLennan,
1973,
The Canadian veterinary journal = La revue veterinaire canadienne.
J. Thornton,
B. Mcsherry,
R. Willoughby,
1972,
Canadian journal of comparative medicine : Revue canadienne de medecine comparee.
R. Curtis,
R. Willoughby,
F. Wieringa,
1976,
The Canadian veterinary journal = La revue veterinaire canadienne.
O. P. Miniats,
J. Norrish,
R. Willoughby,
1969,
The Canadian veterinary journal = La revue veterinaire canadienne.
S. Martin,
J. B. Stone,
R. Willoughby,
1979,
The Canadian veterinary journal = La revue veterinaire canadienne.
R. Willoughby,
G. Brown,
1971,
The Canadian veterinary journal = La revue veterinaire canadienne.
B. Mcsherry,
R. Willoughby,
G. Brown,
1972,
Canadian journal of comparative medicine : Revue canadienne de medecine comparee.
G J King,
R. Hacker,
R R Hacker,
1972,
The Canadian veterinary journal = La revue veterinaire canadienne.
G. Macleod,
D. Thawley,
B. Mcsherry,
1977,
Environmental research.
D. Thawley,
R. Willoughby,
1977,
Canadian journal of comparative medicine : Revue canadienne de medecine comparee.
S. Martin,
J. B. Stone,
R. Willoughby,
1979,
The Canadian veterinary journal = La revue veterinaire canadienne.
R. Thomson,
B. Mcsherry,
R. Willoughby,
1971,
Canadian journal of comparative medicine : Revue canadienne de medecine comparee.
J. Côté,
R. Curtis,
R. Willoughby,
1970
.
D. Grieve,
R. Stiles,
R. Willoughby,
1974
.
E. Nagy,
E. Dubovi,
M. Chernesky,
1992,
Canadian journal of veterinary research = Revue canadienne de recherche veterinaire.
R. Willoughby,
W. Mcdonell,
1979,
The Veterinary clinics of North America. Large animal practice.
R. Willoughby,
1967,
The Canadian veterinary journal = La revue veterinaire canadienne.
L. Riddolls,
S. McKee,
R. Willoughby,
1991,
Canadian journal of veterinary research = Revue canadienne de recherche veterinaire.
B. Mcsherry,
R. Willoughby,
G. Brown,
1972,
Veterinary Record.
B. Mcsherry,
R. Willoughby,
T. Thirapatsakun,
1972,
American Journal of Veterinary Research.
V. Valli,
J. Lumsden,
B. Mcsherry,
1974,
Canadian journal of comparative medicine : Revue canadienne de medecine comparee.
S. Martin,
S W Martin,
R A Willoughby,
1972,
Archives of environmental health.
J. Thornton,
R. Willoughby,
1970,
The Canadian veterinary journal = La revue veterinaire canadienne.