CONTEXT: Gastroesophageal reflux disease is a chronic disease in which gastroduodenal contents reflux into the esophagus. The clinical picture of gastroesophageal reflux disease is usually composed by ...

曼海姆警方说，警方正在市中心开展搜捕行动，目前还无法提供肇事者信息。曼海姆市中心交通可能暂时受到影响。（总台 ...