TY - JOUR T1 - William Zentmayer JF - British Journal of Ophthalmology JO - Br J Ophthalmol SP - 576 LP - 576 DO - 10.1136/bjo.42.9.576 VL - 42 IS - 9 A2 - , Y1 - 1958/09/01 UR - http://bjo.bmj.com/content/42/9/576.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -