Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Text availability

Article attribute

Article type

Publication date

Search Results

450 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Results By Year timeline is not available.
Page 1
High-level expression of ampC beta-lactamase due to insertion of nucleotides between -10 and -35 promoter sequences in Escherichia coli clinical isolates: cases not responsive to extended-spectrum-cephalosporin treatment.
Siu LK, Lu PL, Chen JY, Lin FM, Chang SC. Siu LK, et al. Among authors: lu pl. Antimicrob Agents Chemother. 2003 Jul;47(7):2138-44. doi: 10.1128/AAC.47.7.2138-2144.2003. Antimicrob Agents Chemother. 2003. PMID: 12821459 Free PMC article.
450 results