[Monitoring of the course of pregnancy of cows].
D000200:Action Potentials; D000818:Animals; D002417:Cattle / Q000502:physiology*; D005260:Female; D005318:Fetal Heart / Q000502:physiology; D008991:Monitoring, Physiologic; D010063:Ovum; D011247:Pregnancy; D011270:Pregnancy, Animal
Orpredelenie stel'nosti u korov.