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Artículo
Roles of β-Lactamases and Porins in Activities of Carbapenems and Cephalosporins against Klebsiella pneumoniae
(American Society for Microbiology, 1999-07-01)
Two clinical isolates of extended-spectrum β-lactamase (ESBL)- producing Klebsiella pneumoniae were noted to be less susceptible than expected to imipenem. Both were missing outer membrane proteins that serve as channels ...