National Institutes of Health Nurse Practitioner Scientific Interest Group
Nurse Practitioner Resources 
American Academy of Nurse Practitioners
American Nurses Credentialing Center

Nurse Practitioner Association of Maryland
Nurse Practitioner Association of the District of Columbia
Virginia Council of Nurse Practitioners - Link to the American Academy of Nurse Practitioners Online Journal.

National Institutes of Health (NIH), 9000 Rockville Pike, Bethesda, Maryland 20892.
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