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Perioral vertical lines
Compare the procedure groups used for this indication, ranked by evidence score. Grade reflects the volume and quality of research; direction reflects what the papers conclude.
| Grade | Score | Direction | Procedure group | RCT & meta | Clinical & observational | Case reports | Total papers |
|---|---|---|---|---|---|---|---|
| C | 46.8 | Supported | Botulinum toxin a | 1 | 1 | 0 | 11 |