TY - RPRT TI - Behavioral flexibility and gut microbiome as potential predictors of oral oxycodone self-administration. AU - Corbett, C. M. AU - O'Shall, A. E. AU - Niedringhaus, M. AU - West, E. A. PY - 2026 DO - 10.64898/2026.06.02.729613 UR - https://www.biorxiv.org/content/10.64898/2026.06.02.729613v1 ID - 10.64898/2026.06.02.729613 ER -