PT - JOURNAL ARTICLE ED - , TI - ABSTRACTS AID - 10.1136/bjo.19.2.114 DP - 1935 Feb 01 TA - British Journal of Ophthalmology PG - 114--122 VI - 19 IP - 2 4099 - http://bjo.bmj.com/content/19/2/114.short 4100 - http://bjo.bmj.com/content/19/2/114.full SO - Br J Ophthalmol1935 Feb 01; 19