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
Anterior Ischaemic Optic Neuropathy in the Acquired Immune Deficiency Syndrome
BMJ 295:696-697, Brack,M.J.,et al, 1987