Stien, R [Peroral treatment of erectile dysfunction]. [electronic resource] - Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke Jun 1998 - 2607-8 p. digital Publication Type: Journal Article ISSN: 0029-2001 Subjects--Topical Terms: Administration, OralErectile Dysfunction--drug therapyHumansMalePenile Erection--drug effectsPiperazines--administration & dosage