Wolpaw J, Seegal RF, O'Keefe JA. Adaptive plasticity in primate spinal stretch reflex: behavior of synergist and antagonist muscles. Journal of neurophysiology [Internet]. 1983;50:1312?1319. http://www.ncbi.nlm.nih.gov/pubmed/6663328

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