PT - JOURNAL ARTICLE AU - Ederer, F TI - Letter: Proliferative diabetic retinopathy. AID - 10.1136/bjo.58.5.560 DP - 1974 May 01 TA - British Journal of Ophthalmology PG - 560 VI - 58 IP - 5 4099 - http://bjo.bmj.com/content/58/5/560.short 4100 - http://bjo.bmj.com/content/58/5/560.full SO - Br J Ophthalmol1974 May 01; 58