根據Clinical and Laboratory Standard Institute 定義,vancomycin 對Staphylococcus aureus 的 minimal inhibitory concentration 為多少時,可將其判定為vancomycin-intermediate Staphylococcus aureus?
≤ 2 μg/mL
4~8 μg/mL
16~32 μg/mL
32 μg/mL