TY - JOUR T1 - ABSTRACTS JF - British Journal of Ophthalmology JO - Br J Ophthalmol SP - 71 LP - 87 DO - 10.1136/bjo.5.2.71 VL - 5 IS - 2 A2 - , Y1 - 1921/02/01 UR - http://bjo.bmj.com/content/5/2/71.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -