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Wolpaw J, Braitman DJ, Seegal RF. Adaptive plasticity in primate spinal stretch reflex: initial development. Journal of neurophysiology [Internet]. 1983;50:1296?1311. http://www.ncbi.nlm.nih.gov/pubmed/6663327

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Wolpaw J, Seegal RF. Diurnal rhythm in the spinal stretch reflex. Brain research [Internet]. 1982;244:365?369. http://www.ncbi.nlm.nih.gov/pubmed/6889452