TY  - RPRT
TI  - Back pain and isometric back muscle strength of workers in a Danish factory.
AU  - O Find Pedersen
AU  - R Petersen
AU  - E Schack Staffeldt
PY  - 1975
UR  - https://pubmed.ncbi.nlm.nih.gov/126491/
ID  - 126491
ER  -