TY - GEN AU - Raedler,A AU - Schreiber,S TI - Immunology of ulcerative colitis SN - 0172-6390 PY - 1989///1207 KW - Colitis, Ulcerative KW - immunology KW - Humans KW - Inflammatory Bowel Diseases KW - Lymphoid Tissue N1 - Publication Type: Journal Article; Review ER -