Institution
- Uniformed Services University of the Health Sciences.1
- Unilever (Firm)1
- United States. Army2
- United States. Department of Agriculture1
- United States. Department of Defense1
- United States. Department of Veterans Affairs1
- United States. Food and Drug1
- United States. Food and Drug Administration3
- United States. Indian Health Service1
- United States. National Bureau of Standards2
- United States. War Department1
- Universität Basel1
- University of Bath1
- University of California, Berkeley2
- University of California, Irvine1
- University of California, Los Angeles2
- University of California, Los Angeles. School of Medicine1
- University of California, San Francisco2
- University of California, Santa Barbara1
- University of California, Santa Cruz1