Refine your search
Availability
-
Authors
-
Topics
- Adolescent
- Adult
- Aged
- Analysis of Variance
- Child
- Child, Preschool
- Cohort Studies
- Data Collection
- Drug Interactions
- Emergency Medical Services
- Female
- Humans
- Logistic Models
- Male
- Middle Aged
- Oregon
- Retrospective Studies
- epidemiology
- organization & administration
- statistics & numerical data
- Show more
- Show less
-
Languages