Love, lust and libido.
D002986:Clinical Trials as Topic; D007172:Erectile Dysfunction / Q000188:drug therapy* / Q000453:epidemiology / Q000503:physiopathology; D005260:Female; D006801:Humans; D007989:Libido / Q000187:drug effects; D008297:Male; D010879:Piperazines / Q000009:adverse effects / Q000627:therapeutic use; D011687:Purines; D000068677:Sildenafil Citrate; D013450:Sulfones
D010879:Piperazines; D011687:Purines; D013450:Sulfones; D000068677:Sildenafil Citrate