T Verch, ZK Pan, Y Paterson. (2004) " Listeria monocytogenes-based antibiotic resistance gene-free antigen delivery system applicable to other bacterial vectors and DNA vaccines. " Infect Immun 72. 6418-25 PMID: 15501772 DOI: 10.1128/IAI.72.11.6418-6425.2004 | Abstract and Keywords