PT - JOURNAL ARTICLE ED - BMJ Publishing Group Ltd.BMA House, Tavistock Square, London, WC1H 9JR TI - The Bowman Library AID - 10.1136/bjo.12.3.147-a DP - 1928 Mar 01 TA - British Journal of Ophthalmology PG - 147--149 VI - 12 IP - 3 4099 - http://bjo.bmj.com/content/12/3/147.2.short 4100 - http://bjo.bmj.com/content/12/3/147.2.full SO - Br J Ophthalmol1928 Mar 01; 12