TY  - RPRT
TI  - Cortical activity preceding speech.
AU  - J Ertl
AU  - E W Schafer
PY  - 1967
DO  - 10.1016/0024-3205(67)90050-1
UR  - https://pubmed.ncbi.nlm.nih.gov/6033035/
ID  - 6033035
ER  -