1. Financial relationships with patients;Iserson,1998
2. Time to heal;Ludmerer,1999
3. Code of medical ethics,1996
4. Healthcare advocates concerned about growth of concierge medicine;Santana;AAMC Reporter,2004
5. U.S. Department of Health and Human Services, Health Care Financing Administration. Program memorandum. Transmittal no. B-98-29. Available at: http:www.hcfa.gov/pubforms/transmit/6982960.htm.