| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Angiotensins | 100 | + | |
| 2 | Vasopressins | 81 | + | |
| 3 | Gonadotropin-Releasing Hormone | 39 | + | |
| 4 | Dipeptides | 28 | + | |
| 5 | Tachykinins | 25 | + | |
| 6 | Thyrotropin-Releasing Hormone | 14 | + | |
| 7 | Bradykinin | 11 | + | |
| 8 | Glutathione | 11 | + | |
| 9 | Thymic Factor, Circulating | 7 | + | |
| 10 | Pentagastrin | 6 | + | |
| 11 | Delta Sleep-Inducing Peptide | 2 | + |