1. Agency for Healthcare Research and Quality (AHRQ) . 2003 . Medical Expenditure Panel Survey, Household Component data (using 2003 data) . Available athttp://www.meps.ahrq.gov/mepsnet/HC/MEPSnetHC.asp (accessed May 18, 2006).
2. Alzheimer's Association . 2006 . Statistics about Alzheimer's Disease . Available athttp://www.alz.org/AboutAD/statistics.asp10 (accessed April 4, 2006).
3. American Academy of Pediatrics . 2005 . Pediatric Preventive Care Cost, Estimated US Average, 2005, by Patient Age, According to Recommendations for Preventive Pediatric Health Care and Recommended Childhood and Adolescent Immunization Schedule, US , 2005 . Available athttp://www.aap.org/research/ImmandPrevCareCost.pdf (accessed May 18, 2006).