title: Demonstration of host-species-specific antigens in Chlamydia psittaci by the plaque-reduction test in L-cell tissue cultures. Preliminary observations.
mesh_terms: D000818:Animals; D000941:Antigens / Q000032:analysis*; D001431:Bacteriological Techniques; D002645:Chickens; D002689:Chlamydia / Q000254:growth & development / Q000276:immunology*; D010856:Columbidae; D007106:Immune Sera; D007739:L Cells; D011563:Psittaciformes; D013045:Species Specificity; D014422:Turkeys
chemical_list: D000941:Antigens; D007106:Immune Sera