TY - JOUR T1 - ABSTRACTS JF - British Journal of Ophthalmology JO - Br J Ophthalmol SP - 50 LP - 63 DO - 10.1136/bjo.2.1.50 VL - 2 IS - 1 A2 - , Y1 - 1918/01/01 UR - http://bjo.bmj.com/content/2/1/50.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -