L R Nielsen
发表
N Toft,
N. Toft,
A. Ersbøll,
2004,
Journal of applied microbiology.
H N Erb,
M Egger,
I R Dohoo,
2016
.
M Greiner,
L D Warnick,
M. Greiner,
2006,
Preventive veterinary medicine.
H N Erb,
M Egger,
I R Dohoo,
2016,
Zoonoses and public health.
Y T Gröhn,
A. K. Ersbøll,
L. Nielsen,
2004,
Preventive veterinary medicine.