title: Clinical update on sildenafil citrate.
authors.forename: Ian H
authors.initials: IH
authors.lastname: Osterloh
authors.forename: Alan
authors.initials: A
authors.lastname: Riley
mesh_terms: D002986:Clinical Trials as Topic; D007172:Erectile Dysfunction / Q000188:drug therapy*; D005260:Female; D006801:Humans; D008297:Male; D010879:Piperazines / Q000009:adverse effects / Q000627:therapeutic use*; D011687:Purines; D020018:Sexual Dysfunctions, Psychological / Q000188:drug therapy; D000068677:Sildenafil Citrate; D013450:Sulfones; D014665:Vasodilator Agents / Q000009:adverse effects / Q000627:therapeutic use*
chemical_list: D010879:Piperazines; D011687:Purines; D013450:Sulfones; D014665:Vasodilator Agents; D000068677:Sildenafil Citrate