TY - CONF T1 - Assessment of bowel preparation efficacy using oral barium in 'prepless' CT virtual colonoscopy JO - GASTROENTEROLOGY PY - 2004/04/01 AU - Mcandrew P AU - Kapur K AU - Swift A AU - Karajeh M AU - Sakellariou PV ED - VL - 126 IS - 4 SP - A202 EP - A202 Y2 - 2025/08/11 ER -