近年来十二指肠胃食管反流（duodenogastro esophageal reflux,DGER）的作用 导读：或疣状胃炎。
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DGER Duodeno-gastroesophageal reflux 十二指肠胃食管反流
There are also many unanswered questions on the duodenogastroesophageal reflux(DGER), though it has been studied for more than 100 years.
尽管十二指肠胃食管反流的研究已有100多年历史，但不明点仍很多。
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