The Public Health Response and Epidemiologic Investigation Related to the Opening of a Bacillus anthracis–Containing Envelope, Capitol Hill, Washington, D.C. oleh Vincent P. Hsu, Susan L. Lukacs, Thomas Handzel, James Hayslett, Scott Harper, Thomas Hales, Vera A. Semenova, Sandra Romero-Steiner, Cheryl Elie, Conrad P. Quinn, Rima Khabbaz, Ali S. Khan, Gregory Martin, John Eisold, Anne Schuchat, Rana A. Hajjeh