title: Field trials with an ovine Salmonella vaccine.
mesh_terms: D000818:Animals; D001428:Bacterial Vaccines; D002986:Clinical Trials as Topic; D005260:Female; D009520:New Zealand; D012475:Salmonella; D012481:Salmonella Infections, Animal / Q000517:prevention & control / Q000662:veterinary*; D012486:Salmonella typhimurium; D012756:Sheep; D012757:Sheep Diseases / Q000517:prevention & control*; D014611:Vaccination
chemical_list: D001428:Bacterial Vaccines