Subject
- Study and teaching6
- Health maintenance organizations5
- Health planning5
- Health services administration5
- Labor movement5
- Law and legislation5
- Medical economics5
- Social conditions5
- Soldiers5
- Health facilities4
- Labor4
- Labor unions4
- Medical education4
- Medical policy4
- Research4
- Social life and customs4
- Working class4
- African Americans3
- Alcoholism3
- Bacteriologists3