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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 equal contributor,

    equal contributor 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

    X
  • Jia Kou equal contributor,

    equal contributor 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

    X
  • Xue-Guang Zhang,

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

    X
  • Li Zhang,

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

    X
  • Shu-Wen Liu,

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

    X
  • Xue-Ying Cao,

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

    X
  • Yuan-Da Wang,

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

    X
  • Ri-Bao Wei,

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

    X
  • Guang-Yan Cai mail,

    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

    X
  • Xiang-Mei Chen mail

    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

    X
  • Published: October 31, 2012
  • DOI: 10.1371/journal.pone.0048290

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