| Search term | Number of results |
|---|---|
| Antibiotic resistance.mp. or exp drug resistance, microbial/ | 176,214 |
| Qualitative research.mp. or exp qualitative research/ | 63,788 |
| Exp “Africa South of the Sahara”/ | 203,519 |
| 1 and 2 and 3 | 11 |
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