TY - JOUR T1 - FRIEDRICH P. FISCHER JF - British Journal of Ophthalmology JO - Br J Ophthalmol SP - 591 LP - 592 DO - 10.1136/bjo.33.9.591-a VL - 33 IS - 9 AU - A. S. Y1 - 1949/09/01 UR - http://bjo.bmj.com/content/33/9/591.2.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -