"Toll like receptor 2 agonists lipoteichoic acid and peptidoglycan are able to enhance antigen specific IFNγ release in whole blood during recall antigen responses". Journal of Immunological Methods. 396 (1-2): 107–15. October 2013. doi:10.1016/j.jim.2013.08.004. PMID23954282.
"Toll like receptor 2 agonists lipoteichoic acid and peptidoglycan are able to enhance antigen specific IFNγ release in whole blood during recall antigen responses". Journal of Immunological Methods. 396 (1-2): 107–15. October 2013. doi:10.1016/j.jim.2013.08.004. PMID23954282.