Kafeel Ahmad, Muhammad Siqaf, Gul-E-Rana Abid, Ramla Somayya and Umama Qasim, 2022. Phenotypic and Genotypic Analysis of Beta-Lactamases in Escherichia coli Isolated from Fish. Pakistan J. Zool., 54: 1983-1986. DOI: https://dx.doi.org/10.17582/journal.pjz/20191023191007