{Reference Type}: Journal Article {Title}: The Essence of Clinical Practice Guidelines for Ossification of Spinal Ligaments, 2019: 1. Epidemiology of OPLL. {Author}: Hasegawa T; {Journal}: Spine Surg Relat Res {Volume}: 5 {Issue}: 5 {Year}: 2021 暂无{DOI}: 10.22603/ssrr.2021-0096 {Abstract}: