TY  - SER
AU  - 
AU  - 
AU  - 
AU  - 
TI  - Risk factors for persistent problems following whiplash injury: : results of a systematic review and meta-analysis
PY  - 2009///
CY  - Estados Unidos: 
PB  - Journal of orthopaedic & sport physical therapy
N1  - Published online May 1, 2009
ER  -