第二，奥巴马应该站出来支持反周期波动管理政策。
Second, Obama should come out in favor of countercyclical regulatory policy.
美国胃肠病医学协会的胃食管反流疾病管理立场声明。
American Gastroenterological Association Medical Position Statement on the management of gastroesophageal reflux disease.
美国胃肠病医学协会的胃食管反流疾病管理立场声明。
American Gastroenterological Association Medical Position Statement on the management of gastroesophageal reflux disease.
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