SimilarityRank
impotence 0.958 13237
dysfunction 0.949 6160
Erectile 0.942 23511
impotency 0.922 51049
Levitra 0.899 16011
priapism 0.896 70559
PDE5 0.893 36875
Dysfunction 0.892 28970
PDE-5 0.890 59128
Impotence 0.890 44506
penile 0.889 18030
Cialis 0.886 6987
Viagra 0.884 4769
erections 0.881 18370
Vardenafil 0.876 62777
Tadalafil 0.873 37951
Sildenafil 0.869 23972
disfunction 0.867 77067
Peyronie's 0.862 93376
phosphodiesterase 0.860 53286
tadalafil 0.855 13308
vardenafil 0.855 24395
BPH 0.853 42163
ejaculation 0.852 15522
Revatio 0.849 93669