PapaverinePeruPapaverVasodilator AgentsMammary ArteriesThebainePenile ErectionInternal Mammary-Coronary Artery AnastomosisPhaseolusPhosphodiesterase InhibitorsChlorobutanolVasospasm, IntracranialPharmaceutical SolutionsInfusions, Intra-ArterialOpiumErectile DysfunctionPenisParasympatholyticsCinnarizineCapillary ElectrochromatographyTheophylline