levonorgestrel has been researched along with hypericum in 1 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 0 (0.00) | 18.7374 |
| 1990's | 0 (0.00) | 18.2507 |
| 2000's | 1 (100.00) | 29.6817 |
| 2010's | 0 (0.00) | 24.3611 |
| 2020's | 0 (0.00) | 2.80 |
| Authors | Studies |
|---|---|
| Breitkreutz, J; Gröning, R; Müller, RS | 1 |
1 other study(ies) available for levonorgestrel and hypericum
| Article | Year |
|---|---|
Interactions between aqueous Hypericum perforatum extracts and drugs: in vitro studies.
Topics: Chromatography, High Pressure Liquid; Drug Interactions; Ethinyl Estradiol; Humans; Hypericum; Levonorgestrel; Phytotherapy; Plant Extracts | 2004 |