RT Journal Article SR Electronic T1 The Instrumental Nathaniel Bishop Harman (1869–1945) JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 152 OP 153 DO 10.1136/bjophthalmol-2013-304773 VO 98 IS 2 A1 Keeler, Richard A1 Singh, Arun D A1 Dua, Harminder S YR 2014 UL http://bjo.bmj.com/content/98/2/152.abstract AB