Objective to investigate the clinical value of using vitamin K to the gastrointestinal tract hypotonic double contrast radiography test.
目的探讨胃肠道低张双重对比造影检查法中应用维生素k的临床价值。
The test results manifest that the calculated valley underground runoff by the K value obtained from the above stated two methods appear to very close.
试验结果表明，用两者得到的K值计算河谷地下径流量相当接近。
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