TY - RPRT TI - Stress alters social behavior and sensitivity to pharmacological activation of kappa opioid receptors in an age-specific manner in Sprague Dawley rats AU - Varlinskaya, E. I. AU - Spear, L. P. AU - Diaz, M. PY - 2018 DO - 10.1101/399758 UR - https://www.biorxiv.org/content/10.1101/399758v1 ID - 10.1101/399758 ER -