High prevalence of gut microbiota colonization with broad-spectrum cephalosporin resistant Enterobacteriaceae in a Tunisian intensive care unit oleh Elaa Maamar, sana ferjani, ali jendoubi, samia hammami, samia hammami, zaineb hamzaoui, laure mayonnove-coulange, mabrouka saidani, mabrouka saidani, aouatef kammoun, amel rehaiem, amel rehaiem, salma ghedira, mohamed houissa, ilhem boutiba-ben boubaker, ilhem boutiba-ben boubaker, amine slim, veronique dubois