S. May
发表
J. Baker,
LJ Patterson,
S. May,
1990,
Veterinary Record.
G. Edwards,
S. May,
C. Proudman,
1991,
Veterinary Record.
M. Gardiner,
T. Kemble,
S. May,
1994,
Veterinary Record.
P. Lees,
A. Sedgwick,
A. Higgins,
1987,
Veterinary Record.
P. Lees,
A. Sedgwick,
A. Higgins,
1987,
Veterinary Record.
G. Edwards,
S. May,
LJ Harrison,
1991,
Veterinary Record.