TY  - RPRT
TI  - Mental concentration and the pattern reversal visual evoked response.
AU  - W A Douthwaite
AU  - H Connor
PY  - 1989
DO  - 10.1097/00006324-198901000-00016
UR  - https://pubmed.ncbi.nlm.nih.gov/2927914/
ID  - 2927914
ER  -