RT Journal Article SR Electronic T1 Proceedings of the Tenth ISCERG Symposium, Los Angeles, August 20-23, 1972 JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 566 OP 566 DO 10.1136/bjo.58.5.566-a VO 58 IS 5 A1 J. H. Kelsey YR 1974 UL http://bjo.bmj.com/content/58/5/566.2.abstract AB