PT - JOURNAL ARTICLE ED - , TI - Editorial: the continuing challenge of diabetic retinopathy. AID - 10.1136/bjo.65.5.305 DP - 1981 May 01 TA - British Journal of Ophthalmology PG - 305--306 VI - 65 IP - 5 4099 - http://bjo.bmj.com/content/65/5/305.short 4100 - http://bjo.bmj.com/content/65/5/305.full SO - Br J Ophthalmol1981 May 01; 65