Mocktar C, Govinden U, Essack S. The effect of mutations in the AmpC promoter region on &#946-lactam resistance from an Escherichia coli clinical isolate in a public sector hospital in KwaZulu-Natal, South Africa. ajb [Internet]. 2010 Sep. 7 [cited 2026 Aug. 8];7(15). Available from: https://www.ajol.info/index.php/ajb/article/view/59088