Authors: Suresh B Boppana; Shannon A Ross; Masako Shimamura; April L Palmer; Amina Ahmed; Marian G Michaels; Pablo J Sánchez; David I Bernstein; Robert W Tolan; Zdenek Novak; Nazma Chowdhury; William J Britt; Karen B Fowler Journal: N Engl J Med Date: 2011-06-02 Impact factor: 91.245