| Similarity | Rank | |
|---|---|---|
| vasodilator | 0.931 | 91177 |
| cavernosum | 0.867 | 79648 |
| hypotension | 0.851 | 45505 |
| nitric | 0.851 | 25998 |
| PDE-5 | 0.850 | 59128 |
| endothelium | 0.849 | 73378 |
| PDE5 | 0.844 | 36875 |
| adrenergic | 0.842 | 99859 |
| cavernosa | 0.832 | 55342 |
| arteriosclerosis | 0.827 | 72645 |
| vasculature | 0.820 | 88423 |
| relaxant | 0.819 | 60673 |
| aldosterone | 0.816 | 90103 |
| endothelial | 0.814 | 34485 |
| L-arginine | 0.814 | 67070 |
| norepinephrine | 0.813 | 48622 |
| prostaglandin | 0.812 | 68337 |
| acetylcholine | 0.811 | 55829 |
| phosphodiesterase | 0.810 | 53286 |
| guanosine | 0.810 | 98672 |
| priapism | 0.809 | 70559 |
| prostatic | 0.809 | 45671 |
| arterial | 0.808 | 20941 |
| ischemia | 0.808 | 44533 |
| dysfunction | 0.805 | 6160 |