P. Ball
发表
A. Peters,
P. Ball,
P. J. H. Ball,
1987
.
R. Foote,
P. Ball,
M. Simkin,
1979
.
Evelyn Chiyevo Garwe,
P. Ball,
H. Hamudikuwanda,
2005,
Veterinary Record.
L L Larson,
L. Larson,
P. Ball,
1992,
Theriogenology.
R. J. Berry,
K. Leach,
D. Logue,
1999
.
P. S. Jackson,
P. Ball,
1984,
British Veterinary Journal.
G. S. Pope,
I. Majzlík,
P. Ball,
1976,
The British veterinary journal.
P. Ball,
1982,
The British veterinary journal.
P. Ball,
N. W. Jackson,
1979,
The British veterinary journal.
P. Ball,
1978,
Research in veterinary science.
G. S. Pope,
P. Ball,
J. Leaver,
1980,
The British veterinary journal.
P. Ball,
D. Logue,
1994,
Veterinary Record.
G. Lamming,
P. Ball,
1983,
The British veterinary journal.
E. J. Cant,
P. Ball,
S. Morant,
1978,
The Journal of Agricultural Science.
P. Ball,
D. Harker,
J. Cowpe,
1983,
The Veterinary Record.
A. Peters,
P. Ball,
2004
.