this heading is used as a Publication Type; for original report of the conduct or results of a specific observational study; a different heading OBSERVATIONAL STUDIES AS TOPIC is used for general design, methodology, economics, etc. of observational studies
Scope Note
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).
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).
