PT - JOURNAL ARTICLE ED - , TI - FIFTEENTH INTERNATIONAL CONGRESS OF OPHTHALMOLOGY AID - 10.1136/bjo.22.2.109-a DP - 1938 Feb 01 TA - British Journal of Ophthalmology PG - 109--115 VI - 22 IP - 2 4099 - http://bjo.bmj.com/content/22/2/109.2.short 4100 - http://bjo.bmj.com/content/22/2/109.2.full SO - Br J Ophthalmol1938 Feb 01; 22