Naphtali, E., Tahir, . F. and Agbo , E. (2020) “Evaluation of phytochemicals and activity index of some plant leaf extracts on typhoidal and non-typhoidal Salmonella isolates from selected hospitals in Bauchi, Nigeria”, GSC Biological and Pharmaceutical Sciences, 10(2), pp. 120–129. doi: 10.30574/gscbps.2020.10.2.0204.