title: [Erectile dysfunction in men under 39].
authors.affiliation: Showa University, Northern Yokohama Hospital.
authors.forename: Haruaki
authors.initials: H
authors.lastname: Sasaki
authors.forename: Ryuta
authors.initials: R
authors.lastname: Goto
authors.forename: Masamichi
authors.initials: M
authors.lastname: Sato
authors.forename: Michiya
authors.initials: M
authors.lastname: Ota
authors.forename: Takao
authors.initials: T
authors.lastname: Ikeuchi
mesh_terms: D000293:Adolescent; D000328:Adult; D007172:Erectile Dysfunction / Q000175:diagnosis* / Q000188:drug therapy / Q000523:psychology; D006801:Humans; D018783:Impotence, Vasculogenic / Q000175:diagnosis / Q000188:drug therapy / Q000209:etiology; D008297:Male; D010879:Piperazines / Q000627:therapeutic use; D011687:Purines; D000068677:Sildenafil Citrate; D013450:Sulfones; D014665:Vasodilator Agents / Q000627:therapeutic use
chemical_list: D010879:Piperazines; D011687:Purines; D013450:Sulfones; D014665:Vasodilator Agents; D000068677:Sildenafil Citrate