TY  - BOOK
AU  - Porterfield, James A.
AU  - DeRosa, Carl
TI  - Mechanical low back pain: perspectives in functional anatomy 
SN  - 0-7216-6837-2
AV  - RD771 .P67 1998
PY  - 1998///
CY  - London
PB  - W. B. Saunders
KW  - Biomechanics
KW  - Low back pain
ER  -