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Shows pain reduction (VAS) during the treatment days, and healing time of the ulcers.
| VAS | Before the treatment | 9 |
| First day | 6 | |
| Second day | 5 | |
| Third day | 2 | |
| Fourth day | 0 | |
| Fifth day | 0 | |
| Sixth day | 0 | |
| Seventh day | 0 | |
| Healing time | Fifth day | The ulcers were re‐epithelized |
| Seventh day | The ulcers were completely healed |
