title: Incidence of erectile dysfunction and characteristics of patients before and after the introduction of sildenafil in the United Kingdom: cross sectional study with comparison patients.
authors.affiliation: Boston Collaborative Drug Surveillance Program, Boston University School of Medicine, 11 Muzzey Street, Lexington, MA 02421, USA. jkaye@bu.edu
authors.forename: James A
authors.initials: JA
authors.lastname: Kaye
authors.forename: Hershel
authors.initials: H
authors.lastname: Jick
mesh_terms: D000328:Adult; D017677:Age Distribution; D000368:Aged; D003430:Cross-Sectional Studies; D007172:Erectile Dysfunction / Q000188:drug therapy* / Q000453:epidemiology; D006801:Humans; D015994:Incidence; D008297:Male; D008875:Middle Aged; D017202:Myocardial Ischemia / Q000453:epidemiology; D010726:Phosphodiesterase Inhibitors / Q000627:therapeutic use*; D010879:Piperazines / Q000627:therapeutic use*; D015995:Prevalence; D011687:Purines; D000068677:Sildenafil Citrate; D013450:Sulfones; D006113:United Kingdom / Q000453:epidemiology; D014665:Vasodilator Agents / Q000627:therapeutic use*
chemical_list: D010726:Phosphodiesterase Inhibitors; D010879:Piperazines; D011687:Purines; D013450:Sulfones; D014665:Vasodilator Agents; D000068677:Sildenafil Citrate