High burden of ESBL and carbapenemase-producing gram-negative bacteria in bloodstream infection patients at a tertiary care hospital in Addis Ababa, Ethiopia oleh Daniel Beshah, Adey Feleke Desta, Gurja Belay Woldemichael, Esmael Besufikad Belachew, Solomon Gizaw Derese, Tizazu Zenebe Zelelie, Zelalem Desalegn, Tesfaye Sisay Tessema, Solomon Gebreselasie, Tamrat Abebe