Advertisement
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

About the Authors

Yan Zhang, Jia Kou, Xue-Guang Zhang, Li Zhang, Shu-Wen Liu, Xue-Ying Cao, Yuan-Da Wang, Ri-Bao Wei, Guang-Yan Cai, Xiang-Mei Chen
Department of Nephrology, State Key Laboratory of Kidney Diseases, Chinese PLA General Hospital, Beijing, People’s Republic of China

Corresponding Authors

Competing Interests

The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.

Author Contributions

Conceived and designed the experiments: GYC XMC. Performed the experiments: YZ JK. Analyzed the data: YZ JK GYC. Contributed reagents/materials/analysis tools: XGZ LZ SWL XYC YDW RBW. Wrote the paper: YZ JK GYC XMC.