levodopa has been researched along with tetrahydropalmatine in 2 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 1 (50.00) | 18.7374 |
| 1990's | 1 (50.00) | 18.2507 |
| 2000's | 0 (0.00) | 29.6817 |
| 2010's | 0 (0.00) | 24.3611 |
| 2020's | 0 (0.00) | 2.80 |
| Authors | Studies |
|---|---|
| Chen, LJ; Guo, X; Jin, GZ; Wang, QM | 1 |
| Jin, GZ; Xu, SX; Yu, LP | 1 |
2 other study(ies) available for levodopa and tetrahydropalmatine
| Article | Year |
|---|---|
[Feed-back regulation of presynaptic D2 receptors blockaded by l-stepholidine and l-tetrahydropalmatine].
Topics: Alkaloids; Animals; Apomorphine; Berberine; Berberine Alkaloids; Corpus Striatum; Dopamine D2 Receptor Antagonists; Dose-Response Relationship, Drug; Levodopa; Male; Rats; Rats, Sprague-Dawley; Stereoisomerism | 1992 |
Different effects of enantiomers of tetrahydropalmatine on dopaminergic system.
Topics: Alkaloids; Animals; Antipsychotic Agents; Berberine Alkaloids; Brain; Caudate Nucleus; Female; Levodopa; Male; Rats; Receptors, Dopamine; Stereoisomerism | 1986 |