TY  - BOOK
AU  - Anderson,Gunnar B.J.
AU  - Frymoyer,John W.
AU  - Chaffin,Don B.
TI  - Occupational low back pain: Assessment, treatment and prevention 
SN  - 0801662524
PY  - 1991///
CY  - St. Louis
PB  - Mosby
KW  - Backache
KW  - Occupational diseases
ER  -