Hamburger-associated Escherichia coli O157:H7 infection in Las Vegas: a hidden epidemic.

od Cieslak, P R, Noble, S J, Maxson, D J, Empey, L C, Ravenholt, O, Legarza, G, Tuttle, J, Doyle, M P, Barrett, T J, Wells, J G, McNamara, A M, Griffin, P M
Izdano 1997