Changes in brain nerve growth factor levels and nerve growth factor receptors in rats exposed to environmental enrichment for one year.
Pham TM, Ickes B, Albeck D, S?derstr?m S, Granholm AC, Mohammed AH. Changes in brain nerve growth factor levels and nerve growth factor receptors in rats exposed to environmental enrichment for one year. Neuroscience. 1999; 94(1):279-86.