PT - JOURNAL ARTICLE ED - , TI - ABSTRACTS AID - 10.1136/bjo.6.8.368 DP - 1922 Aug 01 TA - British Journal of Ophthalmology PG - 368--378 VI - 6 IP - 8 4099 - http://bjo.bmj.com/content/6/8/368.short 4100 - http://bjo.bmj.com/content/6/8/368.full SO - Br J Ophthalmol1922 Aug 01; 6