方法采用滴注接种法，在选择性培养基上需氧或厌氧培养后定性定量检测胃肠各段菌群。
Method Drip inoculation, aerobic or anaerobic culture in selective medium were used to test each section of gastrointestinal flora qualitatively and quantitatively.
方法在厌氧培养条件下培养各株变形链球菌，用OD值测量法计算粘附量。
Methods The adherence amount was measured by OD reading after anaerobic incubation.
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