RT Journal Article SR Electronic T1 Photic activation and experimental data concerning colored stimuli JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 269 OP 269 DO 10.1212/WNL.16.3.269 VO 16 IS 3 A1 Allan S. Troupin YR 1966 UL http://n.neurology.org/content/16/3/269.abstract AB