RT Journal Article
SR Electronic
T1 A jubilee.
JF British Journal of Ophthalmology
JO Br J Ophthalmol
FD BMJ Publishing Group Ltd.
SP 681
OP 682
DO 10.1136/bjo.50.12.681
VO 50
IS 12
A1 S. Duke-Elder
YR 1966
UL http://bjo.bmj.com/content/50/12/681.abstract
AB