111Indium-granulocyte scanning in the assessment of disease extent and disease activity in inflammatory bowel disease. A comparison with colonoscopy, histology and fecal 111Indium-granulocyte excretion - Saverymuttu, S H; Camilleri, M; Rees, H; Lavender, J P; Hodgson, H J F; Chadwick, V S (Gastroenterology, 1986)