P. Johnstone
发表
K. Sorensen,
G. Wellenberg,
H. Bourhy,
1998,
The Veterinary Record.
C. Sillero-Zubiri,
P. Johnstone,
J. Whitby,
1997,
Journal of wildlife diseases.
L. McElhinney,
P. Heaton,
P. Johnstone,
1997,
Journal of clinical microbiology.
P. Heaton,
P. Johnstone,
J. Whitby,
1997,
Journal of virological methods.
P. Heaton,
J. Brownlie,
P. Johnstone,
1998,
Research in veterinary science.
J. Smith,
L. McElhinney,
P. Heaton,
2000,
Journal of virological methods.
J. Best,
P. Sanders,
P. Johnstone,
1996,
Clinical and diagnostic virology.
L. McElhinney,
P. Heaton,
P. Johnstone,
1997
.
L. McElhinney,
P. Heaton,
E. M. Black,
2000,
Veterinary Record.
A. Hutson,
P. Johnstone,
J. Whitby,
1996,
Veterinary Record.
A. Barrett,
P. Johnstone,
J. Whitby,
1995
.