The detection of microbial antigens.
D000941:Antigens / Q000032:analysis*; D003470:Culture Media; D005203:Farmer's Lung / Q000276:immunology*; D006801:Humans; D005779:Immunodiffusion; D008722:Methods; D003904:Mitosporic Fungi / Q000276:immunology*
D000941:Antigens; D003470:Culture Media