D. D. Nickel
发表
J. Johnston,
R. Jacobs,
M. Olson,
2001,
Canadian journal of veterinary research = Revue canadienne de recherche veterinaire.
J. Naylor,
C. Card,
K. Lightfoot,
1999,
Equine Veterinary Journal.
E. Parati,
R. Galli,
A. Gritti,
1996,
The Journal of neuroscience : the official journal of the Society for Neuroscience.