β-Lactam Resistance in Methicillin-Resistant Staphylococcus aureus USA300 Is Increased by Inactivation of the ClpXP Protease - Baek, KT; Grundling, A; Mogensen, RG; Thogersen, L; Petersen, A; Paulander, W; Frees, D (ANTIMICROBIAL AGENTS AND CHEMOTHERAPY, 2014)