TY - GEN AU - Harrison,R A AU - Clark,C G TI - Conservative surgery in Crohn disease SN - 0081-9638 PY - 1986///0131 KW - Anus Diseases KW - etiology KW - Crohn Disease KW - complications KW - Humans KW - Intestinal Fistula N1 - Publication Type: Journal Article; Review ER -