tryptophan has been researched along with dextrorphan in 1 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 1 (100.00) | 18.7374 |
| 1990's | 0 (0.00) | 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 |
|---|---|
| Crossley, AW; Slater, P | 1 |
1 other study(ies) available for tryptophan and dextrorphan
| Article | Year |
|---|---|
The effect of morphine and some other narcotic analgesics on brain tryptophan concentrations.
Topics: Analgesics, Opioid; Animals; Brain; Dextrorphan; Female; Levorphanol; Mice; Morphine; Naloxone; Pain; Tryptophan | 1979 |