title: Demonstration of viral antigen in cryostat sections by a new immunoperoxidase procedure eliminating endogenous peroxidase activity.
mesh_terms: D000818:Animals; D000937:Antigen-Antibody Reactions; D000956:Antigens, Viral / Q000302:isolation & purification*; D002645:Chickens / Q000382:microbiology; D003429:Cross Reactions; D000939:Epitopes; D005455:Fluorescent Antibody Technique; D007124:Immunoenzyme Techniques / Q000592:standards*; D008168:Lung / Q000382:microbiology; D009522:Newcastle disease virus / Q000276:immunology; D010544:Peroxidases / Q000276:immunology; D013154:Spleen / Q000382:microbiology
chemical_list: D000956:Antigens, Viral; D000939:Epitopes; D010544:Peroxidases