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Example of search on MEDLINE for antidepressive agents
| MeSH term | Hits | Boolean operator “And” | Inclusion/exclusion applied |
|---|---|---|---|
| Phantom limb | 1725 | 8 | 2 |
| Amitriptyline | 6412 | ||
| Phantom limb | 1725 | 2 | 2 |
| Doxepin | 758 | ||
| Phantom limb | 1725 | 0 | 0 |
| Nortriptyline | 2133 | ||
| Phantom limb | 1725 | 14 | 1 |
| Antidepressive agents | 39,073 | ||
| Total=5 |
