title: Immunologic analysis by gel diffusion of effects of prolonged cultivation on Histomonas meleagridis (Smith).
mesh_terms: D000818:Animals; D000941:Antigens / Q000032:analysis*; D002645:Chickens; D003470:Culture Media; D056890:Eukaryota / Q000276:immunology* / Q000472:pathogenicity; D007106:Immune Sera; D005779:Immunodiffusion; D009584:Nitrogen; D011233:Precipitin Tests; D011817:Rabbits; D013997:Time Factors; D014422:Turkeys
chemical_list: D000941:Antigens; D003470:Culture Media; D007106:Immune Sera; D009584:Nitrogen