Assessing the Diagnostic Accuracy of an On-line Questionnaire for Diagnosis of Primary Headache Disorders
Clinical trial NCT03304886 · COMPLETED
Trial details
- NCT number
- NCT03304886
- Sponsor
- Stanford University
- Status
- COMPLETED
- Study type
- OBSERVATIONAL
- Start date
- 2018-02-28
- Primary completion
- 2019-10-30
- Enrollment
- 250
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