共 13 条
[12]
Viability and fertility rate of spermatozoa in bovine cervical mucous under normal and disease conditions. Akhtar M H,Singh B K. Indian Veterinary Medical Journal . 1979
[13]
Bacillus Stear other mophilus Disk Assay Detection of Penicillin in Milk of Dairy Cows after Postestrual Intrauterine Infusion. Mcclary D G. The Veterinary Journal . 1982