Columbia subject headings:
Harvard subject headings:
Drug accessibility--Developing countries--History--21st century.
Pharmaceutical industry--Developing countries--History--21st century.
Pharmaceutical policy--Developing countries--History--21st century.
Public health--Developing countries--History--21st century.
Princeton subject headings:
Drug accessibility--Developing countries--History--21st century.
Pharmaceutical industry--Developing countries--History--21st century.
Pharmaceutical policy--Developing countries--History--21st century.
Public health--Developing countries--History--21st century.