Intramural Research Program: The Intramural Research Program is the internal research program of the NIH, which conducts studies within NIH facilities and laboratories.
Extramural Research Program: The Extramural Research Program of the NIH provides funding for research conducted by non-NIH scientists at universities, medical schools, and other research institutions.
National Institutes of Health Revitalization Act: This 1993 act expanded the NIH's mission and authority, increased funding for research, and established new initiatives to address health disparities.