Methods The disks with 30 microgramme of cefoxitin and oxacillin recommended by NCCLS were used for the detection of MRSA with PCR by using mecA as the reference .

方法采用NCCLS推荐的30μg头孢西丁纸片法和苯唑西林纸片法检测MRSA，以PCR方法检测mecA基因为金标准。