Biodegradable Microspheres and Hydrogel Drug Delivery System of Tumor Necrosis Factor (TNF) Inhibitor and Growth Differentiation Factor 5 (GDF5) Reduces Disk Inflammation in the Rabbit Model. - Yuan B; Rudeen K; Li J; Williams B; Sumughan S; Lopez G; An HS; Kang-Mieler JJ; Chee AV (Spine, 2023)