Observational Study [Publication Type]
A work that reports on the results of a clinical study in which participants may receive diagnostic, therapeutic, or other types of interventions, but the investigator does not assign participants to specific interventions (as in an interventional study).
Year introduced: 2014
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Tree Number(s): V03.175.500
MeSH Unique ID: D064888
Entry Terms:
- Natural Experiment Study
- Natural Experiment
- Naturalistic Observation Study