title: Alterations in wave form of the QRS complex of domestic animals in the fetal and neonatal stages.
mesh_terms: D000818:Animals; D000829:Animals, Domestic / Q000502:physiology*; D000831:Animals, Newborn / Q000502:physiology*; D002642:Chick Embryo / Q000502:physiology; D004285:Dogs / Q000502:physiology; D004562:Electrocardiography / Q000662:veterinary*; D005260:Female; D005318:Fetal Heart / Q000502:physiology; D005333:Fetus / Q000502:physiology*; D006041:Goats / Q000502:physiology; D006321:Heart / Q000502:physiology; D011247:Pregnancy