title: The comprehensive use of doppler ultra-sound in farm animal reproduction.
mesh_terms: D000818:Animals; D001145:Arrhythmias, Cardiac / Q000175:diagnosis; D002417:Cattle; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis / Q000662:veterinary*; D005318:Fetal Heart; D005865:Gestational Age; D006041:Goats; D006736:Horses; D008274:Magnesium / Q000097:blood; D011247:Pregnancy; D011258:Pregnancy Tests / Q000662:veterinary*; D011270:Pregnancy, Animal; D011272:Pregnancy, Multiple; D011674:Pulse; D012756:Sheep; D013552:Swine; D014463:Ultrasonography
chemical_list: D008274:Magnesium