M Hässig
发表
M. Hässig,
H. Sager,
B. Gottstein,
2003,
Veterinary parasitology.
Electrolytes in bovine prepartum mammary secretions and their usefulness for predicting parturition.
U. Bleul,
M. Hässig,
M Hässig,
2006,
Journal of dairy science.