TY - JOUR T1 - ABSTRACTS JF - British Journal of Ophthalmology JO - Br J Ophthalmol SP - 464 LP - 473 DO - 10.1136/bjo.14.9.464 VL - 14 IS - 9 A2 - , Y1 - 1930/09/01 UR - http://bjo.bmj.com/content/14/9/464.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -