1. Spondylolisthesis and tight hamstrings;Barash;J Bone Joint Surg,1970
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3. The facet syndrome;Mooney;Clin Orthop,1976
4. Observations on the cause and mechanism of symptom production in sciatica and low-back pain;Falconer;J Neurosurg,1948
5. The straight leg raising test: Its relevance to possible disc pathology;Fisk;NZ Med J,1975