phentolamine has been researched along with protopine in 1 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 0 (0.00) | 18.7374 |
| 1990's | 1 (100.00) | 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 |
|---|---|
| Jin, RL; Wu, YY; Xu, Q | 1 |
1 other study(ies) available for phentolamine and protopine
| Article | Year |
|---|---|
Opioid, calcium, and adrenergic receptor involvement in protopine analgesia.
Topics: Alkaloids; Analgesics; Animals; Benzophenanthridines; Berberine Alkaloids; Drugs, Chinese Herbal; Female; Methotrexate; Mice; Mice, Inbred ICR; Naloxone; Nifedipine; Pain Threshold; Phentolamine; Reserpine | 1993 |