Columbia subject headings:
Medical records--Access control--United States.
Medicare.
Privacy, Right of--United States.
United States. Health Care Financing Administration--Data processing--Security measures.
Harvard subject headings:
Confidential communications--Physicians.
Medical records--Access control
Medical records--Access control--United States
Medicare--Claims administration--Data processing.
Medicare.
Privacy, Right of
Privacy, Right of--United States
United States. Health Care Financing Administration--Data processing--Security measures.
United States. Health Care Financing Administration--Data processing.
Princeton subject headings:
Medical records--Access control--United States.
Medicare.
Privacy, Right of--United States.
United States. Health Care Financing Administration--Data processing--Security measures.