title: Single or double vaccination schedules in sheep against experimental infection with Salmonella typhimurium or Salmonella bovismorbificans.
mesh_terms: D000818:Animals; D005260:Female; D007115:Immunization Schedule / Q000662:veterinary*; D012475:Salmonella; D012481:Salmonella Infections, Animal / Q000517:prevention & control*; D012486:Salmonella typhimurium; D012756:Sheep; D012757:Sheep Diseases / Q000517:prevention & control*; D014611:Vaccination / Q000662:veterinary*