TY  - RPRT
TI  - Lower back muscle forces in pushing and pulling.
AU  - K S Lee
AU  - D B Chaffin
AU  - A M Waikar
AU  - M K Chung
PY  - 1989
DO  - 10.1080/00140138908966924
UR  - https://pubmed.ncbi.nlm.nih.gov/2534511/
ID  - 2534511
ER  -