title: Management of complicated and treatment-refractory ED: clinical issues and guidelines.
authors.affiliation: Department of Psychiatry, UMDNJ-Robert Wood Johnson Medical School, Piscataway, New Jersey, USA.
authors.forename: R C
authors.initials: RC
authors.lastname: Rosen
mesh_terms: D000328:Adult; D004351:Drug Resistance; D007172:Erectile Dysfunction / Q000150:complications / Q000188:drug therapy / Q000628:therapy*; D017408:Guidelines as Topic; D006801:Humans; D008297:Male; D010879:Piperazines / Q000627:therapeutic use; D011687:Purines; D000068677:Sildenafil Citrate; D013450:Sulfones
chemical_list: D010879:Piperazines; D011687:Purines; D013450:Sulfones; D000068677:Sildenafil Citrate