title: Middle ear effusions. Quantitative analysis of immunoglobulins.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D004432:Ear, Middle / Q000378:metabolism; D005122:Exudates and Transudates / Q000276:immunology*; D006801:Humans; D005779:Immunodiffusion; D007070:Immunoglobulin A / Q000032:analysis; D007074:Immunoglobulin G / Q000032:analysis; D007075:Immunoglobulin M / Q000032:analysis; D007136:Immunoglobulins / Q000032:analysis*; D008875:Middle Aged; D010033:Otitis Media / Q000209:etiology / Q000276:immunology*
chemical_list: D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D007136:Immunoglobulins