TY - JOUR T1 - GLAUCOMA JF - British Journal of Ophthalmology JO - Br J Ophthalmol SP - 116 LP - 127 DO - 10.1136/bjo.27.3.116 VL - 27 IS - 3 AU - T. Harrison Butler Y1 - 1943/03/01 UR - http://bjo.bmj.com/content/27/3/116.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -