PT - JOURNAL ARTICLE AU - Frank W. Law TI - Correspondence AID - 10.1136/bjo.37.4.254 DP - 1953 Apr 01 TA - British Journal of Ophthalmology PG - 254--254 VI - 37 IP - 4 4099 - http://bjo.bmj.com/content/37/4/254.1.short 4100 - http://bjo.bmj.com/content/37/4/254.1.full SO - Br J Ophthalmol1953 Apr 01; 37