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Complete search strategy from PUBMED.
| # | Searches | Results |
|---|---|---|
| 1. | Psychol∗ OR depress∗ | 2,277,323 |
| 2. | Father∗ OR male partner∗ OR dad∗ OR paternal∗ | 174536 |
| 3. | EPDS∗ OR Edinburgh Postnatal Depression Scale∗ | 3448 |
| 4. | Validation∗ OR validity∗ | 447722 |
| 5. | #1 AND #2 | 58531 |
| 6. | #1 AND #2 AND #3 | 231 |
| 7. | #1 AND #2 AND #3 AND #4 | 12 |
