title: [Advances in the treatment of erectile dysfunction by viagra].
abstract: Viagra has become the first line drug for the treatment of erectile dysfunction since it was first introduced in 1998. Its efficacy and safety have been sidely acclaimed as being definite. This article presents a brief review about the advances in the studies of Viagra, including its therapeutic effect and safety, its protection of penile health, and its promotion of self-esteem and sexual relationship.
authors.affiliation: Department of Urology, Peking University Peoples Hospital, Beijing 100044, China. xuangle@yahoo.com.cn
authors.forename: Qing-quan
authors.initials: QQ
authors.lastname: Xu
authors.forename: Ji-chuan
authors.initials: JC
authors.lastname: Zhu
mesh_terms: D007172:Erectile Dysfunction / Q000188:drug therapy*; D006801:Humans; D008297:Male; D010410:Penile Erection / Q000187:drug effects; D010549:Personal Satisfaction; D010726:Phosphodiesterase Inhibitors / Q000494:pharmacology / Q000627:therapeutic use*; D010879:Piperazines / Q000494:pharmacology / Q000627:therapeutic use*; D011687:Purines / Q000494:pharmacology / Q000627:therapeutic use; D000068677:Sildenafil Citrate; D013450:Sulfones / Q000494:pharmacology / Q000627:therapeutic use*
chemical_list: D010726:Phosphodiesterase Inhibitors; D010879:Piperazines; D011687:Purines; D013450:Sulfones; D000068677:Sildenafil Citrate