KM Henderson
发表
KM Henderson,
K. Eayrs,
2004,
New Zealand veterinary journal.
J. Downing,
B. Campbell,
R. Scaramuzzi,
1993,
Reproduction, fertility, and development.
A. Laupacis,
A. Moxey,
D. Fergusson,
2004,
The Cochrane database of systematic reviews.