AL-Lami, R.A., Al-Hayanni, H.S.A. and Shehab, Z.H. (2022) “ Molecular Investigation of Some Beta-lactamase Genes by PCR and DNA Sequencing Techniques in clinical Escherichia coli”, Iraqi Journal of Science, 63(10), pp. 4205–4212. doi:10.24996/ijs.2022.63.10.7.