TY - RPRT TI - Fentanyl + Xylazine Co Administration Leads to Sustained Depression of Breathing and Body Temperature Likely Driven by mu Opioid and alpha2a Adrenergic Pathway Interactions AU - Lynch, N. AU - Lima, J. D. AU - Bandaru, S. AU - Machado, N. AU - Kaur, S. PY - 2026 DO - 10.64898/2026.04.21.719036 UR - https://www.biorxiv.org/content/10.64898/2026.04.21.719036v1 ID - 10.64898/2026.04.21.719036 ER -