Length of disability prognosis in acute occupational low back pain: development and testing of a practical approach.
Pransky GS, Verma SK, Okurowski L, Webster B.
Spine (Phila Pa 1976). 2006 Mar 15. 31(6):690-7. PMID: 16540875
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Prediction of prolonged work disability in occupational low-back pain based on nurse case management data.
Okurowski L, Pransky G, Webster B, Shaw WS, Verma S.
J Occup Environ Med. 2003 Jul. 45(7):763-70. PMID: 12855916