L J Saif
发表
L. Saif,
R. Heckert,
R A Heckert,
1991,
American journal of veterinary research.
D. Smith,
L. Saif,
P. Fedorka-Cray,
1998,
American journal of veterinary research.
L J Saif,
K V Brock,
E M Kohler,
1991,
Veterinary Record.
L. Saif,
L J Saif,
W T Flynn,
1988,
American journal of veterinary research.