Pilot study: Effects of ovariectomy-induced estrogen deficiency on the biomechanical and structural properties of the intact anterior cruciate ligament in a porcine modelHibiki Kakiage, Tsuneari Takahashi, Yuji Kaneda, Wataru Kurashina, Katsushi Takeshita and Hirotaka ChikudaSICOT-J, 12 (2026) 22DOI: https://doi.org/10.1051/sicotj/2026017