Farm Visits and Undercooked Hamburgers as Major Risk Factors for Sporadic Escherichia coli O157:H7 Infection: Data from a Case-Control Study in 5 FoodNet Sites

Kassenborg, Heidi D. ; Hedberg, Craig W. ; Hoekstra, Michael ; Evans, Mary C. ; Chin, Arthur E. ; Marcus, Ruthanne ; Vugia, Duc J. ; Smith, Kirk ; Ahuja, Shama Desai ; Slutsker, Laurence ; Griffin, Patricia M.

Clinical infectious diseases, 2004-04, Vol.38 (Supplement-3), p.S271-S278 [Periódico revisado por pares]

United States: The University of Chicago Press

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