| # | Searches | Results |
|---|---|---|
| 1 | drug resistance/ | 101256 |
| 2 | ((drug* or pharma* or treat*) adj2 (resist* or refractor*)).tw,kf. | 242886 |
| 3 | bipolar disorder/ | 65375 |
| 4 | mania/ | 19802 |
| 5 | (mania* or manic* or bipolar).tw,kf. | 123003 |
| 6 | 1 or 2 | 311183 |
| 7 | 3 or 4 or 5 | 146302 |
| 8 | 6 and 7 | 3074 |
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