MAP20090075450 Cox, Louis Anthony Human health risk assessment of penicillin-aminopenicillin resistance in enterococci due to penicillin use in food animals / Louis Anthony Cox Jr., Dogulas A. Popken, Jeremy J. Mathers En: Risk analysis : an international journal. - McLean, Virginia : Society for Risk Analysis, 1987-2015 = ISSN 0272-4332. - 01/11/2009 Tomo 29 Número 6 - 2009