Effectiveness of seven-valent pneumococcal conjugate vaccine against invasive pneumococcal disease: a matched case-control study

Authors: Cynthia G. Whitney, Tamar Pilishvili, Monica M. Farley, William Schaffner, Allen S. Craig, Ruth Lynfield, Ann- Christine Nyquist, Kenneth Gershman, Marietta Vázquez, Nancy M. Bennett, Arthur Reingold, Ann Thomas, Mary P. Glodé, Elizabeth R. Zell, James H. Jorgensen, Bernard Beall, Anne Schuchat - The Lancet 2006 cited by 625