TY  - RPRT
TI  - [Do we need polysomnography in insomnia?].
AU  - D Schneider-Helmert
PY  - 2003
DO  - 10.1024/0369-8394.92.48.2061
UR  - https://pubmed.ncbi.nlm.nih.gov/14694544/
ID  - 14694544
ER  -