G. Septayudha Suryonegoro and F. Angreni, “Spastic Lower Paraparesis Due To Multiple Ossification of The Ligamentum Flavum of Fusion and Tuberous Type In The Thoracolumbar Region In A 42-Year-Old Woman”, IJHP, vol. 5, no. 4, pp. 644–649, Nov. 2025.