TY - RPRT TI - Nicotine and Opioid Polysubstance Abuse: Enhancement of opioid self-administration by systemic nicotine and modulation of opioid-associated memories by insular nicotine AU - Loney, G. C. AU - King, C. P. AU - Meyer, P. J. PY - 2020 DO - 10.1101/2020.09.07.286542 UR - https://www.biorxiv.org/content/10.1101/2020.09.07.286542v1 ID - 10.1101/2020.09.07.286542 ER -