Prevalence of newer β-lactamases in gram-negative clinical isolates collected in the United States from 2001 to 2002..ES Moland;ND Hanson;JA Black;.J Clin Microbiol.2006,
Prevalence of newer β-lactamases in gram-negative clinical isolates collected in the United States from 2001 to 2002..ES Moland;ND Hanson;JA Black;.J Clin Microbiol.2006,