PT - JOURNAL ARTICLE ED - , TI - C. E. FERREE AID - 10.1136/bjo.28.3.155 DP - 1944 Mar 01 TA - British Journal of Ophthalmology PG - 155--156 VI - 28 IP - 3 4099 - http://bjo.bmj.com/content/28/3/155.short 4100 - http://bjo.bmj.com/content/28/3/155.full SO - Br J Ophthalmol1944 Mar 01; 28