Global trends in antimicrobial use in food animals.
Proc Natl Acad Sci U S A. 2015 May 5;112(18):5649-54. doi: 10.1073/pnas.1503141112. Epub 2015 Mar 19.
Proc Natl Acad Sci U S A. 2015.
PMID: 25792457
Free PMC article.