HOME HEALTH CONSULTING.COM
 http://www.homehealthconsulting.com/

American Physical Therapy Association
http://www.apta.org

American Occupational Therapy Association
http://www.aota.org/

American Speech & Hearing Association
http://www.asha.org

U.S. Government Printing Office
http://www.access.gpo.gov/su_docs/

Center for Disease Control
http://www.cdc.gov

American Medical Association
http://www.ama-assn.org/

National Committee for Quality Assurance
http://www.ncqa.org

National Library of Medicine
http://www.nlm.nih.gov

American Medical Rehabilitation Providers Association
http://www.amrpa.org

Social Security Adminstration
http://www.ssa.gov

Medicare
http://www.medicare.gov

American Association of Retired Person
http://www.aarp.org

National Rehabilitation Association
http://www.nationalrehab.org

National Council on the Aging 
http://www.ncoa.org/index.cfm?bType=ie4

Commission on Accreditation of Rehabilitation Facilities
http://www.carf.org/