Medline search strategy
| Search items | |
| 1 | randomized controlled trial |
| 2 | controlled clinical trial |
| 3 | randomized |
| 4 | trial |
| 5 | or/1–4 |
| 6 | bacterial vaginosis or BV/ |
| 7 | bacterial vaginitis or BV/ |
| 8 | or/6–7 |
| 9 | drug therapy/ |
| 10 | treatment/ |
| 11 | antibiotics/ |
| 12 | or/9–11 |
| 13 | probiotics/ |
| 14 | Lactobacillus/ |
| 15 | or/13–14 |
| 16 | 5 and 8 and 12 and 15 |