Methods Disc diffusion method was used to test the resistance of staphylococcus to erythromycin and clindamycin.The inducible clindamycin resistance was checked by D-test.

• 方法使用纸片扩散法测定葡萄球菌对红霉素和克林霉素的耐药性，使用D-试验方法检测红霉素诱导克林霉素耐药表型。