TY  - RPRT
TI  - Productivity and fatigue.
AU  - S Tanabe
AU  - N Nishihara
PY  - 2004
DO  - 10.1111/j.1600-0668.2004.00281.x
UR  - https://pubmed.ncbi.nlm.nih.gov/15330780/
ID  - 15330780
ER  -