title: Isolation, cross-reaction and ultraimmunochemical demonstration of ornithosis 7S antibodies.
mesh_terms: D002473:Cell Wall / Q000276:immunology; D002689:Chlamydia / Q000166:cytology / Q000276:immunology*; D002850:Chromatography, Gel; D003168:Complement Fixation Tests; D003429:Cross Reactions; D006801:Humans; D007106:Immune Sera; D007074:Immunoglobulin G / Q000302:isolation & purification*; D008854:Microscopy, Electron; D009956:Psittacosis / Q000276:immunology*; D013053:Spectrophotometry; D013194:Staining and Labeling
chemical_list: D007106:Immune Sera; D007074:Immunoglobulin G