TY  - RPRT
TI  - Insomnia: sleep patterns and anxiety level.
AU  - S N Haynes
AU  - D R Follingstad
AU  - W T McGowan
PY  - 1974
DO  - 10.1016/0022-3999(74)90069-5
UR  - https://pubmed.ncbi.nlm.nih.gov/4436838/
ID  - 4436838
ER  -