Nonarteritic Ischemic Optic Neuropathy Developing Soon After Use of Sildenafil (Viagra): A Report of Seven New Cases
J Neuroophthalmol 25:9-13, Pomeranz,H. &Bhavsar,A.R., 2005
Transient Global Amnesia After Sildenafil (Viagra) Use
Neurol 59:778, Savitz,S.A.&Caplan,L.R., 2002