Risk of Multiple Myeloma in Rheumatoid Arthritis: A Meta-Analysis of Case-Control and Cohort Studies

• Kaini Shen ,

  Contributed equally to this work with: Kaini Shen, Gufeng Xu

  Affiliation Department of Hematology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of China

  ⨯
• Gufeng Xu ,

  Contributed equally to this work with: Kaini Shen, Gufeng Xu

  Affiliation Zhejiang University, School of Medicine, Hangzhou, Zhejiang, People’s Republic of China

  ⨯
• Qing Wu,

  Affiliation Division of Health Sciences Research, Mayo Clinic, Scottsdale, Arizona, United States of America

  ⨯
• Daobin Zhou,

  Affiliation Department of Hematology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of China

  ⨯
• Jian Li

  * E-mail: lijian@pumch.cn

  Affiliation Department of Hematology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of China

  ⨯