title: Putting new drugs to good use.
authors: A
authors: A
authors: Malpani
mesh_terms: D004542:Ejaculation / Q000502:physiology; D006801:Humans; D008297:Male; D010410:Penile Erection / Q000502:physiology; D010879:Piperazines / Q000494:pharmacology*; D011687:Purines; D012661:Semen; D000068677:Sildenafil Citrate; D013048:Specimen Handling; D013450:Sulfones
chemical_list: D010879:Piperazines; D011687:Purines; D013450:Sulfones; D000068677:Sildenafil Citrate