TY - RPRT TI - Higher anhedonia during withdrawal from initial opioid exposure is protective against subsequent opioid self-administration in rats. AU - Swain, Y. AU - Muelken, P. AU - Skansberg, A. AU - Lanzdorf, D. AU - Haave, Z. AU - LeSage, M. G. AU - Gewirtz, J. C. AU - Harris, A. C. PY - 2019 DO - 10.1101/839993 UR - https://www.biorxiv.org/content/10.1101/839993v1 ID - 10.1101/839993 ER -