Results: Fifty percent (W/V)barium sulfate suspension and 12%(V/V) ferrous gluconate syrup were the best for inhibiting the high signals from the water in the gastrointestinal tract in each group.

• 结果：50%25W／V硫酸钡溶液、12%25V／V葡萄糖酸亚铁糖浆溶液在各组中对胃肠道液体信号的抑制效果理想。