Columbia subject headings:
Community health aides.
Developing countries--Medical personnel.
Diseases--Reporting.
Nosology.
Volunteer workers in medical care.
Harvard subject headings:
Community health aides.
Diseases--Reporting
Medical personnel--Developing countries.
Nosology.
Volunteer workers in medical care.
Princeton subject headings:
Community health aides.
Diseases--Reporting.
Medical personnel--Developing countries.
Nosology.
Volunteer workers in medical care.