Thomson Scientific Names Doctors Of The Decade, 1995-2005

PHILADELPHIA and LONDON, Jan. 12 /PRNewswire/ -- Researchers from Harvard University lead the pack in clinical medicine research by earning the highest number of citations over the past decade, according to a study published in the January/February issue of Science Watch - the bimonthly newsletter published by Thomson Scientific, a business of The Thomson Corporation.

Using data from Essential Science Indicators(SM), the Science Watch study evaluated institutions based on papers published and cited in clinical- medicine journals indexed by Thomson Scientific (including multidisciplinary journals such as Science and Nature).

Harvard University researchers account for four of the top-10 clinical medicine researchers (eight of the top 20), with Meir J. Stampfer receiving the highest number of citations, 34,872, for his work in the field of Epidemiology. Another Harvard researcher, Walter C. Willett, ranks a close second with 33,724, while University of Miami researcher Charles H. Hennekens ranks third with 27,629 citations. Willett and Hennekens also published in the field of Epidemiology.

Rounding out the top five are Bert Vogelstein of Howard Hughes Medical Institute and Johns Hopkins University with 27,148 citations, and Kenneth W. Kinzler, also of Johns Hopkins, with 25,785. Both researchers published in the field of Oncology.

"Citations are an acknowledgement of intellectual debt," said Christopher King, editor of Science Watch. "The impressive number of citations these exceptional researchers have received is evidence of their profound influence on modern scientific thought."

Most-Cited Authors in Clinical Medicine (Ranked by total citations, based on papers published and cited in Thomson-indexed journals between January 1995 and August 2005) Rank Name Institution Field Citations 1 Meir J. Stampfer Harvard University Epidemiology 34,872 2 Walter C. Willett Harvard University Epidemiology 33,724 3 Charles H. Hennekens University of Miami Epidemiology 27,629 4 Bert Vogelstein HHMI, Johns Hopkins U. Oncology 27,148 5 Kenneth W. Kinzler Johns Hopkins Oncology 25,785 University 6 Graham A. Colditz Harvard University Epidemiology 25,702 7 Robert M. Califf Duke University Cardiology 24,494 8 John C. Reed Burnham Institute Cell Biology 23,729 9 Eric J. Topol Cleveland Clinic Cardiology 22,829 Foundation 10 JoAnn E. Manson Harvard University Epidemiology 19,141

From the above list, five authors were featured in the previous Science Watch Clinical Medicine rankings, evaluating 1991-1998 (and published in 1998): Meir J. Stampfer, Harvard University; Charles H. Hennekens, University of Miami; Walter C. Willett, Harvard University; Graham A. Colditz, Harvard University; and Eric J. Topol, Cleveland Clinic Foundation.

Most-Cited Authors in Clinical Medicine: Four Subfields (Ranked by total citations, based on papers published and cited in Thomson-indexed journals between January 1995 and August 2005) Epidemiology

In the subfield of Epidemiology, research powerhouse Harvard University accounts for four of the top five most-cited researchers. University of Miami researcher Charles H. Hennekens ranks third.

Rank Name Institution Citations 1 Meir J. Stampfer Harvard University 34,872 2 Walter C. Willett Harvard University 33,724 3 Charles H. Hennekens University of Miami 27,629 4 Graham A. Colditz Harvard University 25,702 5 JoAnn E. Manson Harvard University 19,141 Cardiology Harvard University has a strong presence in the Cardiology subfield as well, with two researchers in the top five (and three in the top ten). Duke University researcher Robert M. Califf ranks first with 24,494 total citations. Rank Name Institution Citations 1 Robert M. Califf Duke University 24,494 2 Eric J. Topol Cleveland Clinic Foundation 22,829 3 Paul M. Ridker Harvard University 18,146 4 Eugene Braunwald Harvard University 16,928 5 Peter J. Barnes Imperial College London 16,148 Oncology

Johns Hopkins University solidifies its stance as a research powerhouse in the field of Oncology with its researchers accounting for all of the top five. Bert Vogelstein, who is affiliated with Howard Hughes Medical Institute, tops the list with 27,148 citations. Vogelstein was named a Thomson Scientific Laureate in 2005 for his highly influential work.

Rank Name Institution Citations 1 Bert Vogelstein HHMI, Johns Hopkins Univ. 27,148 2 Kenneth W. Kinzler Johns Hopkins University 25,785 3 James G. Herman Johns Hopkins University 13,853 4 Stephen B. Baylin Johns Hopkins University 13,281 5 David Sidransky Johns Hopkins University 12,789 General Biomedicine In the field of General Biomedicine, three of the top five researchers are based outside the United States (one researcher from Institute Gustave-Roussy, France, and two researchers from Osaka University, Japan). John C. Reed, Burnham Institute, ranks first by just shy of 11,000 citations - a total of 23,729. Rank Name Institution Citations 1 John C. Reed Burnham Institute 23,729 2 Patrick O. Brown HHMI, Stanford University 12,754 3 Guido Kroemer Institute Gustave-Roussy 11,622 4 Shigekazu Nagata Osaka University 11,590 5 Yuji Matsuzawa Osaka University 11,532

For more information about these rankings, including the full "top 20" Doctors of the Decade and the "top 10" in each subfield, read the January/February issue of Science Watch, or contact Rodney Yancey at 215-823-5397 or rodney.yancey@thomson.com.

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CONTACT: Rodney Yancey, Manager, Corporate Communications, ThomsonScientific, +1-215-386-0100, extension 1396, rodney.yancey@thomson.com; orChris Lukach, Anne Klein & Associates, +1-856-988-6560, extension 15,chris@mail.akleinpr.com, for Thomson Scientific

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