Methods Minimal inhibitory concentration(MIC)of six macrolide antibiotics against 20 mycobacteria species in vitro were determined.

• 方法分别测定6种大环内酯类抗生素对20种分枝杆菌(包括结核、牛分枝杆菌和18种非结核分枝杆菌)的试管内最低抑菌浓度。