1. Streptococcus pneumoniae and community-acquired pneumonia: A cause for concern;File;Am J Med,2004
2. Deaths: Final data for 2002;Kochanek;Natl Vital Stat Rep,2004
3. National Center for Health Statistics. Faststats A to Z. Pneumonia. Available at: http://www.cdc.gov/nchs/fastats/pneumonia.htm. Accessed November 29, 2004.
4. Summary Health Statistics for U.S. Adults: National Health Interview Survey, 2002,2004