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Xiaobing Tian, Weijie Xie, Zhi Zhao. A Case Report of Two Youthful Brothers: The Spine Combines with Multiple Butterfly Vertebrae and Hemivertebrae. CRMS [nternet]. 2024 Jan. 29 [cited 2026 May 16];3(1):23-7. vailable from: https://www.pioneerpublisher.com/crms/article/view/636