A commentary on “Complex causal association between genetically predicted 731 immunocyte phenotype and osteonecrosis: A bidirectional Two-sample mendelian randomization analysis” (Int J Surg. 2024 Mar 18.)

aDepartment of Cardiology, The Second Hospital of Dalian Medical University, Dalian 116021, Liaoning, China bDepartment of General Surgery, The First Affiliated Hospital of Dalian Medical University, Dalian 116000, China Guolin Zhang and Zhen Wang: These authors have contributed equally to this work. Sponsorships or competing interests that may be relevant to content are disclosed at the end of this article. Published online ■ ■ *Corresponding Author. Address: Department of Cardiology, The Second Hospital of Dalian Medical University, Dalian 116021, Liaoning, China. E-mail address: [email protected] (Y. Ding). This is an open access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal. http://creativecommons.org/licenses/by-nc-nd/4.0/