RT Journal Article SR Electronic T1 Medikamentöse Augentherapie JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 639 OP 639 DO 10.1136/bjo.67.9.639-a VO 67 IS 9 A1 T. J. Ffytche YR 1983 UL http://bjo.bmj.com/content/67/9/639.2.abstract AB