| Similarity | Rank | |
|---|---|---|
| cavernosa | 0.923 | 55342 |
| cavernosum | 0.832 | 79648 |
| PDE-5 | 0.795 | 59128 |
| penile | 0.784 | 18030 |
| vasodilation | 0.775 | 78390 |
| erectile | 0.774 | 8147 |
| fify | 0.769 | 30165 |
| whereafter | 0.764 | 30893 |
| amoungst | 0.763 | 31035 |
| hereupon | 0.761 | 30891 |
| vasodilator | 0.761 | 91177 |
| PDE5 | 0.759 | 36875 |
| erections | 0.759 | 18370 |
| ejaculatory | 0.758 | 87641 |
| ventricles | 0.751 | 68071 |
| phosphodiesterase | 0.749 | 53286 |
| vasculature | 0.749 | 88423 |
| dysfunction | 0.747 | 6160 |
| urethra | 0.740 | 27876 |
| testes | 0.738 | 47397 |
| endothelium | 0.736 | 73378 |
| priapism | 0.734 | 70559 |
| prostatic | 0.732 | 45671 |
| levitra | 0.731 | 5382 |
| pfizer | 0.730 | 24587 |