| Similarity | Rank | |
|---|---|---|
| erectile | 0.896 | 8147 |
| PDE5 | 0.878 | 36875 |
| dysfunction | 0.874 | 6160 |
| impotence | 0.866 | 13237 |
| angina | 0.865 | 31116 |
| Peyronie's | 0.863 | 93376 |
| Vardenafil | 0.859 | 62777 |
| erections | 0.858 | 18370 |
| PDE-5 | 0.858 | 59128 |
| hypotension | 0.853 | 45505 |
| impotency | 0.850 | 51049 |
| vardenafil | 0.849 | 24395 |
| Erectile | 0.848 | 23511 |
| doxazosin | 0.845 | 81664 |
| phosphodiesterase | 0.842 | 53286 |
| Tadalafil | 0.842 | 37951 |
| tadalafil | 0.839 | 13308 |
| Levitra | 0.838 | 16011 |
| BPH | 0.835 | 42163 |
| hypogonadism | 0.832 | 85722 |
| isosorbide | 0.830 | 85080 |
| Revatio | 0.825 | 93669 |
| Sildenafil | 0.824 | 23972 |
| nitroglycerin | 0.823 | 57416 |
| prostatic | 0.821 | 45671 |