Veterinary Record · 1958 · 52 citations · 0 references
Veterinary MedicineImmunologyInfectious DiseasesImmunizationParasitologyVaccinologyParasitic Disease PathogenesisParasitic Disease PreventionRespiratory InfectionsRespiratory ParasitismVaccinationVaccine EffectivenessField Trial EvaluationParasitic BronchitisPulmonary VaccinesVaccination Against ParasitesVaccination Against Respiratory Infections