TY  - RPRT
TI  - Persistent psychophysiologic (learned) insomnia.
AU  - P Hauri
AU  - J Fisher
PY  - 1986
DO  - 10.1093/sleep/9.1.38
UR  - https://pubmed.ncbi.nlm.nih.gov/3961366/
ID  - 3961366
ER  -