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Open Access

Peer-reviewed

Research Article

The Evolution of Academic Performance in Nine Subspecialties of Internal Medicine: An Analysis of Journal Citation Reports from 1998 to 2010

  • Yan Zhang ,

    Contributed equally to this work with: Yan Zhang, Jia Kou

    Affiliation Department of Nephrology, State Key Laboratory of Kidney Diseases, Chinese PLA General Hospital, Beijing, People’s Republic of China

    ⨯
  • Jia Kou ,

    Contributed equally to this work with: Yan Zhang, Jia Kou

    Affiliation Department of Nephrology, State Key Laboratory of Kidney Diseases, Chinese PLA General Hospital, Beijing, People’s Republic of China

    ⨯
  • Xue-Guang Zhang,

    Affiliation Department of Nephrology, State Key Laboratory of Kidney Diseases, Chinese PLA General Hospital, Beijing, People’s Republic of China

    ⨯
  • Li Zhang,

    Affiliation Department of Nephrology, State Key Laboratory of Kidney Diseases, Chinese PLA General Hospital, Beijing, People’s Republic of China

    ⨯
  • Shu-Wen Liu,

    Affiliation Department of Nephrology, State Key Laboratory of Kidney Diseases, Chinese PLA General Hospital, Beijing, People’s Republic of China

    ⨯
  • Xue-Ying Cao,

    Affiliation Department of Nephrology, State Key Laboratory of Kidney Diseases, Chinese PLA General Hospital, Beijing, People’s Republic of China

    ⨯
  • Yuan-Da Wang,

    Affiliation Department of Nephrology, State Key Laboratory of Kidney Diseases, Chinese PLA General Hospital, Beijing, People’s Republic of China

    ⨯
  • Ri-Bao Wei,

    Affiliation Department of Nephrology, State Key Laboratory of Kidney Diseases, Chinese PLA General Hospital, Beijing, People’s Republic of China

    ⨯
  • Guang-Yan Cai ,

    caiguangyan@sina.com (GYC); xmchen301@126.com (XMC)

    Affiliation Department of Nephrology, State Key Laboratory of Kidney Diseases, Chinese PLA General Hospital, Beijing, People’s Republic of China

    ⨯
  • Xiang-Mei Chen

    caiguangyan@sina.com (GYC); xmchen301@126.com (XMC)

    Affiliation Department of Nephrology, State Key Laboratory of Kidney Diseases, Chinese PLA General Hospital, Beijing, People’s Republic of China

    ⨯

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