PT - JOURNAL ARTICLE ED - , TI - Harold Edgar Smith AID - 10.1136/bjo.40.6.383 DP - 1956 Jun 01 TA - British Journal of Ophthalmology PG - 383--384 VI - 40 IP - 6 4099 - http://bjo.bmj.com/content/40/6/383.short 4100 - http://bjo.bmj.com/content/40/6/383.full SO - Br J Ophthalmol1956 Jun 01; 40