PT - JOURNAL ARTICLE ED - , TI - WILLIAM HALLIBURTON McMULLEN AID - 10.1136/bjo.42.7.448 DP - 1958 Jul 01 TA - British Journal of Ophthalmology PG - 448--448 VI - 42 IP - 7 4099 - http://bjo.bmj.com/content/42/7/448.short 4100 - http://bjo.bmj.com/content/42/7/448.full SO - Br J Ophthalmol1958 Jul 01; 42