Observational Studies as Topic

**Definition:** Works about clinical studies 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).

**Tree numbers:** - E05.318.372.250.500 - N05.715.360.330.250.500 - N06.850.520.450.250.500

**Synonyms:** - Observational Study as Topic