TY - RPRT TI - Modified grid laser photocoagulation for diffuse diabetic macular edema. Long-term visual results. AU - C M Lee AU - R J Olk PY - 1991 DO - 10.1016/s0161-6420(91)32082-7 UR - https://pubmed.ncbi.nlm.nih.gov/1961650/ ID - 1961650 ER -