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Psoriasis Area and Severity Index (PASI) score observations.
| Day | Group 1 * | Group 2 * | Group 3 * |
|---|---|---|---|
| 0 | 0 | 4 | 4 |
| 2 | 0 | 4 | 3 |
| 4 | 0 | 4 | 2 |
| 6 | 0 | 4 | 2 |
| 7 | 0 | 4 | 1 |
| 13 | 0 | 4 | 0 |
* 0 indicates none; 1 indicates slight; 2 indicates moderate; 3 indicates marked; 4 indicates very marked.
