TY - RPRT TI - Self-administration of heroin by vapor inhalation in female Wistar rats AU - Gutierrez, A. AU - Nguyen, J. D. AU - Creehan, K. M. AU - Taffe, M. A. PY - 2020 DO - 10.1101/2020.03.30.016725 UR - https://www.biorxiv.org/content/10.1101/2020.03.30.016725v1 ID - 10.1101/2020.03.30.016725 ER -