TY - JOUR T1 - International Guide to Aids and Appliances for Blind and Visually Impaired Persons JF - British Journal of Ophthalmology JO - Br J Ophthalmol SP - 68 LP - 68 DO - 10.1136/bjo.63.1.68-b VL - 63 IS - 1 AU - A. G. Cross Y1 - 1979/01/01 UR - http://bjo.bmj.com/content/63/1/68.3.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -