TY  - RPRT
TI  - Sleep problems: a predictor of long-term work disability? A four-year prospective study.
AU  - W Eriksen
AU  - B Natvig
AU  - D Bruusgaard
PY  - 2001
UR  - https://pubmed.ncbi.nlm.nih.gov/11355713/
ID  - 11355713
ER  -