TY  - RPRT
TI  - [Improved objective visual assessment with visual evoked cortical potentials by rapid pattern stimuli sequences of different spatial frequency].
AU  - A Hajek
AU  - E Zrenner
PY  - 1988
UR  - https://pubmed.ncbi.nlm.nih.gov/3224930/
ID  - 3224930
ER  -