1. World Health Organization Web site. Countries. Statistics. Available at: http://www.who.int/country. Accessed May 20, 2004.
2. American Board of Emergency Medicine Web site. Geographic distribution of diplomats by subspecialty certificate. Available at: http://www.abms.org/statistics.asp. Accessed May 20, 2004.
3. Accreditation Council for Graduate Medical Education Web site. Available at: http://www.acgme.org/adspublic/. Accessed May 20, 2004.
4. American Board of Pediatrics Web site. Changes in training requirements for subspecialty certification. Available at: http://www.abp.org/RESIDENT/trchanges.htm. Accessed May 20, 2004.
5. Royal College of Physicians and Surgeons of Canada Web site. Specific standards of accreditation for residency programs in pediatric emergency medicine. 2001. Available at: http://www.rcpsc.medical.org/residency/accreditation/ssas/pedem_e.html. Accessed May 20, 2004.