TY - GEN AU - Surján,L TI - Tonsils and lympho-epithelial structures in the pharynx as immuno-barriers SN - 0001-6489 PY - 1987///0911 KW - Epithelium KW - immunology KW - Humans KW - IgA Deficiency KW - Mucous Membrane KW - Palatine Tonsil KW - cytology KW - Tonsillitis KW - etiology N1 - Publication Type: Journal Article; Review ER -