carbapenem-resistant Acinetobacter baumannii 1 Article 1 DNA extraction 1 KPC-2 1 Klebsiella pneumoniae 1 OXA-23 1 OXA-40 1 OXA-like beta-lactamases 1 OXA-like carbapenemases 1 amikacin 1 antibiotic sensitivity 1 antimicrobial therapy 1 bacterial gene 1 bacterial strain 1 beta lactamase 1 blaOXA 23 gene 1 blaOXA 40 gene 1 blaOXA gene 1 carbacineto NP test 1 carbapenem inactivation method 1 carbapenem resistant Acinetobacter baumannii 1 carbapenemase 1 carbapenemases 1 ciprofloxacin 1 colistin 1 conventional polymerase chain reaction 1 gentamicin 1 hypervirulent 1 imipenem 1