TY - JOUR T1 - Robert John Percival McCulloch JF - British Journal of Ophthalmology JO - Br J Ophthalmol SP - 192 LP - 192 DO - 10.1136/bjo.39.3.192-a VL - 39 IS - 3 A2 - , Y1 - 1955/03/01 UR - http://bjo.bmj.com/content/39/3/192.2.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -