title: [Secretory immunoglobulin A (SIgA) in middle ear effusion].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000818:Animals; D002648:Child; D004432:Ear, Middle / Q000378:metabolism*; D005122:Exudates and Transudates / Q000276:immunology; D006801:Humans; D007122:Immunoelectrophoresis; D007070:Immunoglobulin A / Q000032:analysis*; D008875:Middle Aged; D010033:Otitis Media / Q000276:immunology; D011817:Rabbits / Q000276:immunology
chemical_list: D007070:Immunoglobulin A