作者单位:
Univ Saskatchewan, Coll Med, Dept Obstet Gynecol & Reprod Sci, Saskatoon, SK S7N 0W8, Canada
[1]
Univ Saskatchewan, Dept Large Anim Clin Sci, Western Coll Vet Med, Saskatoon, SK S7N 5B4, Canada
[2]
Univ Saskatchewan, Dept Vet Biomed Sci, Western Coll Vet Med, Saskatoon, SK S7N 5B4, Canada
[3]
发布时间
2020-03-21