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Summary of literature search
| Database | Key words | No. of abstract retrieved | No. of an article selected |
|---|---|---|---|
| PubMed | (1) Active acne vulgaris | 219 | - |
| (2) Superficial chemical peels | 65 | 4 | |
| (1) e ( 2) | 2 | 1 | |
| Google Scholar | (1) Active acne vulgaris | 14.700 | - |
| (2) Superficial chemical peels | 16.400 | - | |
| (1) e (2) | 1.170 | 2 |
