Introduced bullfrog facilitates pathogen invasion in the western United States Yap, Tiffany A. ; Koo, Michelle S. ; Ambrose, Richard F. ; Vredenburg, Vance T. Abstract Publication: PLoS ONE Pub Date: April 2018 DOI: 10.1371/journal.pone.0188384 Bibcode: 2018PLoSO..1388384Y