Rous test

例句：

1. 1. The Roux test is used to diagnose gastric ulcers.
   罗氏试验用于诊断胃溃疡。
2. 2. The Roux test procedure involves a patient swallowing a small amount of food and then drinkinga solution.
   罗氏试验程序涉及患者吞下少量食物并喝溶液。
3. 3.The Roux test is an important tool in the diagnosis of gastrointestinal diseases.
   罗氏试验是诊断胃肠道疾病的重要工具。