TY - RPRT TI - Flash electroretinogram abnormalities in patients with clinically definite multiple sclerosis. AU - S G Coupland AU - T H Kirkham PY - 1982 DO - 10.1017/s0317167100044152 UR - https://pubmed.ncbi.nlm.nih.gov/7116240/ ID - 7116240 ER -