| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Indomethacin | 100 | + | |
| 2 | Ibuprofen | 51 | + | |
| 3 | Prostaglandins E | 13 | + | |
| 4 | Prostaglandin Antagonists | 11 | + | |
| 5 | Alprostadil | 10 | + | |
| 6 | Prostaglandins | 9 | + | |
| 7 | Fatty Alcohols | 7 | + | |
| 8 | Phosphorylcholine | 7 | + | |
| 9 | Prostanoic Acids | 7 | + | |
| 10 | Oxygen | 5 | + | |
| 11 | Biological Products | 4 | + | |
| 12 | Dinoprostone | 4 | + | |
| 13 | Natriuretic Peptide, Brain | 3 | + | |
| 14 | Betamethasone | 3 | + | |
| 15 | Receptor, Notch1 | 3 | + | |
| 16 | Formaldehyde | 2 | + | |
| 17 | Calcium-Binding Proteins | 2 | + | |
| 18 | Nitric Oxide | 1 | + |