SimilarityRank
impotency 0.961 51049
erectile 0.958 8147
dysfunction 0.932 6160
Impotence 0.909 44506
Erectile 0.908 23511
disfunction 0.867 77067
priapism 0.866 70559
Dysfunction 0.860 28970
ejaculation 0.859 15522
Levitra 0.853 16011
Viagra 0.847 4769
Cialis 0.842 6987
libido 0.832 16558
erections 0.832 18370
PDE5 0.831 36875
Silagra 0.830 83472
hypogonadism 0.830 85722
penile 0.828 18030
Vardenafil 0.826 62777
Revatio 0.826 93669
Sildenafil 0.826 23972
Tadalafil 0.825 37951
Caverta 0.821 78714
PDE-5 0.816 59128
phosphodiesterase 0.816 53286