1. Diagnosis of heart failure in primary care: an assessment of international guidelines;Grimshaw;Br J Gen Pract.,2001
2. Policy for an aging society: a review of systems;Cassel;JAMA.,2009
3. Medicare program: changes to the hospital inpatient prospective payment systems and fiscal year 2009 rates; payments for graduate medical education in certain emergency situations; changes to disclosure of physician ownership in hospitals and physician self-referral rules; updates to the long-term care prospective payment system; updates to certain IPPS-excluded hospitals; and collection of information regarding financial relationships between hospitals. Final rules;Centers for Medicare and Medicaid Services (CMS), HHS;Fed Regist.,2008
4. Centers for Medicare & Medicaid Services Evaluation and management services guide http://www.cms.gov/MLNProducts/downloads/eval_mgmt_serv_guide.pdf