| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Opioid Peptides | 100 | + | |
| 2 | Tachykinins | 41 | + | |
| 3 | Hypothalamic Hormones | 29 | + | |
| 4 | Calcitonin Gene-Related Peptide | 13 | + | |
| 5 | Melanocyte-Stimulating Hormones | 8 | + | |
| 6 | Thyrotropin-Releasing Hormone | 5 | + | |
| 7 | Bradykinin | 4 | + | |
| 8 | Galanin | 4 | + | |
| 9 | Cholecystokinin | 3 | + | |
| 10 | Vasopressins | 3 | + | |
| 11 | Calcitonin | 3 | + | |
| 12 | Vasoactive Intestinal Peptide | 2 | + | |
| 13 | Neurotensin | 2 | + | |
| 14 | Angiotensins | 2 | + | |
| 15 | Bombesin | 1 | + | |
| 16 | Neuropeptide Y | 1 | + | |
| 17 | Gastrin-Releasing Peptide | 1 | + |