TY  - BOOK
AU  - Helfet,Arthur J.
AU  - Lee,Gruebel David M.
TI  - Disorders of the lumbar spine
SN  - 0397503814
PY  - 1978///
CY  - Philadelphia
PB  - J. B. Lippincott
KW  - Backache
KW  - Therapy
ER  -