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| Essential oil | Clinical strains (n = 51) | Reference strains (n = 6) |
|---|---|---|
| Lavender | 51 | 6 |
| Lemongrass | 51 | 6 |
| Tea tree | 51 | 6 |
| Rosewood | 51 | 6 |
| Marjoram | 51 | 6 |
| Peppermint | 51 | 6 |
| Geranium | 37 | 6 |
| Fennel | 35 | 6 |
| Rosemary | 29 | 6 |
| Juniper | 21 | 1 |
| Frankincense | 0 | 0 |
| Black pepper | 0 | 0 |
| Camomile | 0 | 0 |
| YlangYlang | 0 | 0 |
| Bergamot | 0 | 0 |
| Sweet orange | 0 | 0 |
| Cedarwood | 0 | 0 |
| Pine | 0 | 0 |
