TY - RPRT TI - Pattern-reversal electroretinograms and visual evoked cortical potentials in multiple sclerosis. AU - H E Persson AU - P Wanger PY - 1984 DO - 10.1136/bjo.68.10.760 UR - https://pubmed.ncbi.nlm.nih.gov/6477857/ ID - 6477857 ER -