PT - JOURNAL ARTICLE ED - BMJ Publishing Group Ltd.BMA House, Tavistock Square, London, WC1H 9JR TI - WILLIAM SIMPSON BURR AID - 10.1136/bjo.42.1.64 DP - 1958 Jan 01 TA - British Journal of Ophthalmology PG - 64--64 VI - 42 IP - 1 4099 - http://bjo.bmj.com/content/42/1/64.short 4100 - http://bjo.bmj.com/content/42/1/64.full SO - Br J Ophthalmol1958 Jan 01; 42