title: [Oral tonsillar tissue].
mesh_terms: D006651:Histocytochemistry; D006801:Humans; D007070:Immunoglobulin A / Q000032:analysis; D014066:Palatine Tonsil / Q000032:analysis / Q000166:cytology* / Q000276:immunology
chemical_list: D007070:Immunoglobulin A