TY - GEN AU - CROHN,B B TI - Abraham L. Levin Memorial Lecture: regional ileitis; ileojejunitis; combined ileocolitis SN - 0002-9270 PY - 2000///0701 KW - Colitis KW - Crohn Disease KW - Disease KW - Humans KW - Ileitis KW - Jejunal Diseases KW - Jejunum N1 - Publication Type: Journal Article ER -