المؤلفون: Trei JS, Johns NM, Garner JL, Noel LB, Ortman BV, Ensz KL, Johns MC, Bunning ML, Gaydos JC, Trei, Jill S, Johns, Natalie M, Garner, Jason L, Noel, Lawrence B, Ortman, Brian V, Ensz, Kari L, Johns, Matthew C, Bunning, Michel L, Gaydos, Joel C

المصدر: Emerging Infectious Diseases; May2010, Vol. 16 Issue 5, p769-775, 7p