It has also been suggested that one drug be used to inhibit bacterial penicillinase action sufficiently for a second drug, perhaps benzylpenicillin, to exert its antibacterial effect without being ...

Bacterial insertion sequences (IS) are small DNA segments (<2.5 kb) with a simple genetic organization. Most IS elements exhibit short terminal inverted repeat sequences (IR) and encode a transposase, ...

Dermatitis. 2007;18(2):63-77. Experts have suggested including at least 20 human controls when testing with nonstandardized antigens. The ideal negative control is a patient with a recent history ...