[Comparative evaluation of methods of artificial insemination of cows and heifers].
D000818:Animals; D002417:Cattle; D005260:Female; D007315:Insemination, Artificial / Q000662:veterinary*; D008722:Methods; D011247:Pregnancy
Sravnitel'naia otsenka metodov iskusstvennogo osemeneniia korov i telok.