1. Department of Health and Human Services www.ftc.gov/opp/aco /cms-proposedrule.pdf
2. A. Boyle ACO Special Report: Under construction, under fire. Mod Med June 25, 2011 http://www.modernmedicine.com/modernmedicine/Modern+Medicine+Now/ACO-Special-Report-Under-construction-under-fire/ArticleStandard/Article/detail/728457?contextCategoryId=40748
3. The Patient ProtectionAffordable Care Act www.cms.gov/LegislativeUpdate/downloads/PPACA.pdf
4. Medicare ACOs no longer mythical creatures;Mulvany;Healthc Financ Manage,2011
5. Setting up a practical accountable care organization;Lee;Med Econ,2011