Columbia subject headings:
Computer security--United States--Bibliography.
Confidential communications--Physicians--United States--Bibliography.
Medical informatics--United States--Bibliography.
Medical records--Access control--United States--Bibliography.
Harvard subject headings:
Computer security--United States--Bibliography.
Confidential communications--Physicians--United States--Bibliography.
Medical informatics--United States--Bibliography.
Medical records--Access control--United States--Bibliography.
Princeton subject headings: