General Anesthesia and Systemic Hyperosmolality Modulate Lumbar Intrathecal Drug Distribution in Female Rats. - Persson NDÅ; Lohela TJ; Anttila JE; Mäkelä J; Rosenholm M; Peltoniemi M; Jalonen SC; García-Horsman JA; Sarparanta M; Nedergaard M; Rantamäki T; Lilius TO (Anesthesiology, 2026)