TY - JOUR T1 - ABSTRACTS JF - British Journal of Ophthalmology JO - Br J Ophthalmol SP - 190 LP - 194 DO - 10.1136/bjo.4.4.190 VL - 4 IS - 4 A2 - , Y1 - 1920/04/01 UR - http://bjo.bmj.com/content/4/4/190.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -