[The impact of example (the intensive utilization of cows)].
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000517:prevention & control*; D005260:Female; D007247:Infertility, Female / Q000662:veterinary*; D011247:Pregnancy; D014455:Ukraine
Sila primera (ob intensivnom ispol'zovanii korov.