[Natural antidiphtheria immunity in horses. Its relationship to decrease of diphtheria morbidity in Romania].
D000818:Animals; D004165:Diphtheria / Q000453:epidemiology / Q000276:immunology*; D004166:Diphtheria Antitoxin; D006736:Horses / Q000276:immunology*; D012383:Romania; D013997:Time Factors
D004166:Diphtheria Antitoxin
Immunité antidiphtérique naturelle des chevaux. Relations avec la baisse de la morbidité diphtérique en Roumanie