Precipitating antibody against pigeon antigens in sera of asymptomatic pigeon breeders.
D000818:Animals; D000941:Antigens / Q000302:isolation & purification; D010856:Columbidae / Q000276:immunology*; D005203:Farmer's Lung / Q000276:immunology*; D006801:Humans; D005779:Immunodiffusion; D011234:Precipitins / Q000032:analysis*
D000941:Antigens; D011234:Precipitins