- American Health Care Associationwww.ahcancal.org
- American Nurses Associationwww.nursingworld.org
- American Public Health Associationwww.apha.org
- National Institutes of Healthhealth.nih.gov
- Pennsylvania Department of Healthwww.health.pa.gov
- Pennsylvania Health Care Associationwww.health.pa.gov
- U.S. Department of Health & Human Serviceswww.hhs.gov
