TY - RPRT TI - Chronic fentanyl induces sex-specific anxiolytic-like effects in opioid-dependent rats AU - Caglayan, L. AU - Zeyl, F. AU - Gamba, E. AU - Febo, M. AU - Bruijnzeel, A. W. PY - 2026 DO - 10.64898/2026.10.19.760254 UR - https://www.biorxiv.org/content/10.64898/2026.10.19.760254v1 ID - 10.64898/2026.10.19.760254 ER -