title: Experimental infections in virgin heifers with Trichomonas foetus in vaccinated and unvaccinated animals.
authors.forename: W R
authors.initials: WR
authors.lastname: KERR
authors.forename: M
authors.initials: M
authors.lastname: ROBERTSON
mesh_terms: D000818:Animals; D002417:Cattle; D005260:Female; D005333:Fetus; D014244:Trichomonas; D016835:Tritrichomonas foetus