Objective: To investigate the regulating gene of femA in methicillin-resistant Staphylococcus aureus (MRSA).Methods: High-level MRSA, low-level MRSA and methicillin-sensitive Staphylococcus aureus (MSSA) were determined by agar diffusion methods (The classification is based on MIC values of oxacillin: MIC≥64μg/ml, high-level MRSA; 2 |