Yersinia pestis: New Evidence for an Old Infection Bos, Kirsten I. ; Stevens, Philip ; Nieselt, Kay ; Poinar, Hendrik N. ; DeWitte, Sharon N. ; Krause, Johannes Abstract Publication: PLoS ONE Pub Date: November 2012 DOI: 10.1371/journal.pone.0049803 Bibcode: 2012PLoSO...749803B