方法：人体试验法测定有效保护时间和有效保护率。
Methods:Protective time and rate were observed by means of human body's test.
研究对象只在60%的时间内使用凝胶，部分更常用的妇女获得了更有效的保护。
The women used the gel only 60 percent of the time, and those who used it more often had higher rates of protection.
洁胃：大量可溶性植物纤维促进胃肠蠕动，可减少有害物质在胃肠、胆襄中的滞留时间，有效地保护胃粘膜，清洁胃壁。
Kit stomach: Soluble fibers promote large intestinal motility can reduce harmful substances in the stomach, and bile, when the retention time. effective protection of gastric mucosa, cleaning stomach.
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