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Subjects
- Academic Medical Centers -- organization & administration1
- Accident Prevention2
- Accident Prevention -- statistics & numerical data1
- Accidents, Aviation -- statistics & numerical data1
- Acclimatization2
- Adaptation, Physiological2
- Adolescent2
- Adolescent Behavior1
- Adolescent Health Services1
- Adult2
- African Americans2
- Age Factors1
- Aged7
- Alcohol Drinking -- epidemiology1
- Ambulatory Care Facilities -- economics1
- Ambulatory Care Facilities -- legislation & jurisprudence1
- American Civil War2
- Asian Americans1
- Assisted Living Facilities1
- Attitude1