TY  - RPRT
TI  - Validation of computer analysed polygraphic patterns during drowsiness and sleep onset.
AU  - J Hasan
AU  - K Hirvonen
AU  - A Värri
AU  - V Häkkinen
AU  - P Loula
PY  - 1993
DO  - 10.1016/0013-4694(93)90118-f
UR  - https://pubmed.ncbi.nlm.nih.gov/7691539/
ID  - 7691539
ER  -