RT Journal Article
SR Electronic
T1 Modern Problems in Ophthalmology
JF British Journal of Ophthalmology
JO Br J Ophthalmol
FD BMJ Publishing Group Ltd.
SP 734
OP 734
DO 10.1136/bjo.61.11.734
VO 61
IS 11
A1 A. G. Chignell
YR 1977
UL http://bjo.bmj.com/content/61/11/734.1.abstract
AB