Subjects
- United States. Department of Health and Human Services2
- United States. Department of Health and Human Services.3
- United States. Dept. of the Treasury1
- United States. Public Health Service.9
- Universities1
- University of Maryland (1812-1920). University Hospital.1
- University of Pennsylvania. Department of Medicine.1
- Urban Population1
- Uruguay1
- Vaccination1
- Value-Based Purchasing1
- Ventilation2
- Veterans1
- Violence -- prevention & control1
- Voluntary Programs3
- Vulnerable Populations1
- War-Related Injuries1
- Washington1
- Washington Hospital Center.1
- Wilcox Hospital.1