TY - JOUR T1 - Peripheral ring opacity of the cornea. JF - British Journal of Ophthalmology JO - Br J Ophthalmol SP - 270 LP - 273 DO - 10.1136/bjo.53.4.270 VL - 53 IS - 4 AU - A J Bron Y1 - 1969/04/01 UR - http://bjo.bmj.com/content/53/4/270.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -