TY - RPRT TI - A negative component superimposed on event-related potentials during light drowsiness. AU - A Sekine AU - Y Niiyama AU - O Kutsuzawa AU - T Shimizu PY - 2001 DO - 10.1046/j.1440-1819.2001.00892.x UR - https://pubmed.ncbi.nlm.nih.gov/11555342/ ID - 11555342 ER -