TY - RPRT TI - Steady-state visual evoked response amplitudes and concurrent electroencephalographic activity. AU - J E Fagan AU - F G Downard AU - R L Yolton PY - 1985 DO - 10.1097/00006324-198506000-00011 UR - https://pubmed.ncbi.nlm.nih.gov/4014430/ ID - 4014430 ER -