TY - RPRT TI - Xylazine exacerbates fentanyl-induced respiratory depression and prevents rescue by naloxone in mice AU - Watkins, J. M. AU - Hahn, R. AU - Dempsey, M. AU - Hohmann, A. G. PY - 2025 DO - 10.1101/2025.06.18.660459 UR - https://www.biorxiv.org/content/10.1101/2025.06.18.660459v1 ID - 10.1101/2025.06.18.660459 ER -