Wang, Yu, Chunde Li, Long Liu, and Longtao Qi. 2020. “Halo-Pelvic Traction for Extreme Lumbar Kyphosis: 3 Rare Cases With a Completely Folded Lumbar Spine”. Acta Orthopaedica 92 (1):9-14. https://doi.org/10.1080/17453674.2020.1824170.