PT - JOURNAL ARTICLE AU - N Ashton TI - Vascular basement membrane changes in diabetic retinopathy. Montgomery lecture, 1973. AID - 10.1136/bjo.58.4.344 DP - 1974 Apr 01 TA - British Journal of Ophthalmology PG - 344--366 VI - 58 IP - 4 4099 - http://bjo.bmj.com/content/58/4/344.short 4100 - http://bjo.bmj.com/content/58/4/344.full SO - Br J Ophthalmol1974 Apr 01; 58