tryptophan has been researched along with Labor, Premature 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 |
|---|---|
| Hata, Y | 1 |
1 other study(ies) available for tryptophan and Labor, Premature
| Article | Year |
|---|---|
[Vitamin K in obstetrics--effects of vitamin K1 on threatened abortion and premature labor].
Topics: Abortion, Threatened; Adult; Female; Humans; Obstetric Labor, Premature; Pregnancy; Tryptophan; Uterus; Vitamin K 1 | 1967 |