@misc{indiciaec153af79b62e, title = {Rapid appearance of negative emotion during oral fentanyl self-administration in male and female rats}, author = {Coffey, K. R. and Nickelson, W. B. and Dawkins, A. J. and Neumaier, J. F.}, year = {2023}, doi = {10.1101/2023.04.27.538613}, url = {https://www.biorxiv.org/content/10.1101/2023.04.27.538613v1}, note = {Source identifier: 10.1101/2023.04.27.538613} }