D. G. Butler
发表
J. Thornton,
R. Willoughby,
D. G. Butler,
1970,
The Canadian veterinary journal = La revue veterinaire canadienne.
B. Mcsherry,
R. Willoughby,
D. G. Butler,
1971,
Canadian journal of comparative medicine : Revue canadienne de medecine comparee.
A. Sargeson,
I. Creaser,
D. G. Butler,
1978
.
P. Physick-Sheard,
B. Hilbert,
D. G. Butler,
1975,
The Canadian veterinary journal = La revue veterinaire canadienne.
D. Lunn,
D. G. Butler,
1991,
The Canadian veterinary journal = La revue veterinaire canadienne.
D. Meuten,
D. G. Butler,
G. Thomson,
1978,
Journal of the American Veterinary Medical Association.
P. Conlon,
J. Burger,
D. G. Butler,
1993,
The Canadian veterinary journal = La revue veterinaire canadienne.
H. W. Chapman,
M. Newell,
D. G. Butler,
1986,
Canadian journal of veterinary research = Revue canadienne de recherche veterinaire.
D. Grieve,
R. Stiles,
R. Willoughby,
1974
.
S. Mcguirk,
D. G. Butler,
1980,
Journal of the American Veterinary Medical Association.
D. G. Butler,
1980
.
P. Physick-Sheard,
D. G. Butler,
I. Fatimah,
1982,
The Canadian veterinary journal = La revue veterinaire canadienne.