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The area of sampling is shown in Figure 1.With wearing time extension, an increasing trend can be seen in the CFUs from the surface of SMs (Fig. 2A).Owing to the high variation, significance was only identified between the 0-hour and 4- to 6-hours groups (Fig. 2B).However, when we extracted the data separately and compared the CFUs from the surface of SMs used by the same surgeon, significant ...
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