RT Journal Article SR Electronic T1 VISUAL PROTECTION IN AERIAL WARFARE JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 689 OP 700 DO 10.1136/bjo.32.9.689 VO 32 IS 9 A1 Livingston, P. C. YR 1948 UL http://bjo.bmj.com/content/32/9/689.abstract AB