M. Duffey
发表
E. Wisner,
P. Barthez,
D. Smeak,
1999,
American journal of veterinary research.
M. Lohr,
M. Rose,
M. Duffey,
1969
.
P. Barthez,
M. Barnhart,
D. Smeak,
1998,
Journal of the American Veterinary Medical Association.
K. O’Connell,
M. Duffey,
1976
.