PT - JOURNAL ARTICLE AU - Härtl, Roger AU - Arts, Jacobus J.C. AU - Bae, Hyun W. TI - Editors' Introduction: Biologics and Regenerative Medicine in Intervertebral Disc Regeneration and Spinal Fusion AID - 10.14444/8051 DP - 2021 Apr 01 TA - International Journal of Spine Surgery PG - 8--9 VI - 15 IP - s1 4099 - https://www.ijssurgery.com/content/15/s1/8.short 4100 - https://www.ijssurgery.com/content/15/s1/8.full SO - Int J Spine Surg2021 Apr 01; 15