title: Viagra: an option, not a miracle.
authors.forename: J H
authors.initials: JH
authors.lastname: Barada
mesh_terms: D004791:Enzyme Inhibitors / Q000627:therapeutic use*; D007172:Erectile Dysfunction / Q000188:drug therapy*; D006801:Humans; D007398:Interpersonal Relations; D008297:Male; D010879:Piperazines / Q000627:therapeutic use*; D011687:Purines; D000068677:Sildenafil Citrate; D018454:Spouses / Q000523:psychology; D013450:Sulfones
chemical_list: D004791:Enzyme Inhibitors; D010879:Piperazines; D011687:Purines; D013450:Sulfones; D000068677:Sildenafil Citrate