TY - RPRT TI - Ultrafast venous and sagittal sinus constrictions in the brain driven by abdominal pressure AU - Zhang, Q. AU - Garborg, C. S. AU - Frank, N. AU - Salehi Shahrbarbaki, F. AU - Turner, K. AU - Drew, P. J. PY - 2026 DO - 10.64898/2026.05.02.722426 UR - https://www.biorxiv.org/content/10.64898/2026.05.02.722426v1 ID - 10.64898/2026.05.02.722426 ER -