TY - RPRT TI - Flicker fusion thresholds in multiple sclerosis. AU - P N MILLER AU - O A PARSONS PY - 1957 DO - 10.1001/archneurpsyc.1957.02330320032004 UR - https://pubmed.ncbi.nlm.nih.gov/13393871/ ID - 13393871 ER -