Comparative Immunology Microbiology and Infectious Diseases · 2007 · 10 citations · 11 references
Veterinary MedicineImmunologyInfectious DiseasesImmunizationImmunology Of Infectious DiseasesVaccinologySwine ImmunologySwine Infectious DiseasesSwine VaccinationSwine VaccinologyVaccinationVeterinary VaccinesAnimal ImmunizationBacterial Vaccine AntigensBacterial VaccinesLeptospirosis In SwineLeptospirosis Vaccines
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A simple method of estimating 50 per cent end points
Hr Muench · Medical Entomology and Zoology · 1938 · 8.4K citations