Pagani, E The value of a second injection on the pharmaco-induced erection test. [electronic resource] - International journal of impotence research Sep 1997 - 167-8 p. digital Publication Type: Journal Article ISSN: 0955-9930 Standard No.: 10.1038/sj.ijir.3900283 doi Subjects--Topical Terms: Adrenergic alpha-Antagonists--administration & dosageAlprostadil--administration & dosageErectile Dysfunction--diagnosisHumansInjectionsMalePapaverine--administration & dosagePenile Erection--drug effectsPhentolamine--administration & dosageVasodilator Agents--administration & dosage