TY  - RPRT
TI  - Acute low back pain.
AU  - R P KELLY
AU  - J T JOHNSON
PY  - 1955
DO  - 10.1001/jama.1955.02960170036010b
UR  - https://pubmed.ncbi.nlm.nih.gov/13242391/
ID  - 13242391
ER  -