Evaluating the Synergistic Effect of Eravacycline and Colistin Combination for Acinetobacter Baumannii：Focusing on the Influence of Different Resistance Mechanisms and Capsular Types on the Synergistic Effect = 評估依拉環素及克痢黴素合併使用於鮑氏不動桿菌感染的加成效果：著重於不同抗藥性機轉及莢膜分型對於協同作用的影響