title: Elevation of IgA and other changes in sera with antibodies to Chlamydiae.
mesh_terms: D000293:Adolescent; D000328:Adult; D000906:Antibodies; D002689:Chlamydia / Q000276:immunology*; D002850:Chromatography, Gel; D002852:Chromatography, Ion Exchange; D003168:Complement Fixation Tests; D005260:Female; D006386:Hemagglutination Tests; D006801:Humans; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D007070:Immunoglobulin A / Q000032:analysis; D007074:Immunoglobulin G / Q000032:analysis*; D004930:Inuit; D008297:Male; D008875:Middle Aged; D009956:Psittacosis / Q000276:immunology
chemical_list: D000906:Antibodies; D007070:Immunoglobulin A; D007074:Immunoglobulin G