title: Re: Efficacy of Once-Daily Administration of Udenafil for 24 Weeks on Erectile Dysfunction: Results from a Randomized Multicenter Placebo-Controlled Clinical Trial.
authors.forename: Allen D
authors.initials: AD
authors.lastname: Seftel
mesh_terms: D007172:Erectile Dysfunction / Q000188:drug therapy*; D006801:Humans; D008297:Male; D010410:Penile Erection / Q000187:drug effects*; D058986:Phosphodiesterase 5 Inhibitors / Q000008:administration & dosage*; D011743:Pyrimidines / Q000008:administration & dosage*; D013449:Sulfonamides / Q000008:administration & dosage*
chemical_list: D058986:Phosphodiesterase 5 Inhibitors; D011743:Pyrimidines; D013449:Sulfonamides