TY  - RPRT
TI  - Reducing sick leave by minimal postal intervention: a randomised, controlled intervention study.
AU  - N Fleten
AU  - R Johnsen
PY  - 2006
DO  - 10.1136/oem.2005.020438
UR  - https://pubmed.ncbi.nlm.nih.gov/16644897/
ID  - 16644897
ER  -