Encyclopedias, Almanacs, Transcripts, and Maps
- Unconscious Motivation
- Undifferentiated Somatoform Disorder
- Universal Precautions
- Unknown: Asperger Syndrome
- Unknown: Astigmatism
- Unknown: Attention-Deficit Hyperactivity Disorder
- Unknown: Autism
- Unknown: Autism Spectrum Disorders
- Unknown: Bipolar Disorder
- Unknown: Breast Cancer
- Unknown: Canker Sores
- Unknown: Cerebral Palsy
- Unknown: Chronic Fatigue Syndrome
- Unknown: Clubfoot
- Unknown: Colorectal Cancer
- Unknown: Congenital Heart Disease
- Unknown: Conjoined Twins
- Unknown: Crohn Disease
- Unknown: Diabetes
- Unknown: Dyslexia