RT Journal Article SR Electronic T1 Can erectile dysfunction drug use lead to ischaemic optic neuropathy? JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 127 OP 128 DO 10.1136/bjo.2005.084343 VO 90 IS 2 A1 Pomeranz, H D YR 2006 UL http://bjo.bmj.com/content/90/2/127.1.abstract AB