Author
BioMed Central Ltd
64
Hindawi Publishing Corporation
52
International Scholarly Research Network
41
American Chemical Society
30
American Institute of Physics
21
British Medical Association
20
Consultants Bureau
16
Molecular Diversity Preservation International
16
British Psychological Society
13
Royal Society (Great Britain)
13
American Physiological Society (1887- )
12
Frontiers Research Foundation
12
Libertas Academica
12
Royal Society of Chemistry (Great Britain)
12
American Society for Microbiology
9
Royal Society of Medicine (Great Britain)
9
Sage Publications
9
Taylor & Francis
9
American Health Consultants
8
American Physical Society
8
Alan Guttmacher Institute
7
American Heart Association
7
American Speech-Language-Hearing Association
7
Annual Reviews, Inc
7
Company of Biologists
7
Institute of Mathematical Statistics
7
National Research Council Canada
7
National Research Council of Canada
7
World Health Organization
7
American Management Association
6
American Statistical Association
6
Brown University
6
Institute of Physics (Great Britain)
6
National Library of Medicine (U.S.)
6
Psychonomic Society
6
Public Library of Science
6
Royal Statistical Society (Great Britain)
6
Springer (Firm)
6
American Association for Cancer Research
5
American Diabetes Association
5
American Society for Cell Biology
5
American Sociological Association
5
British Pharmacological Society
5
Centre national de la recherche scientifique (France)
5
Consultants Bureau Enterprises
5
Dānishgāh-i ʻUlūm-i Pizishkī-i Tihrān
5
Helen Dwight Reid Educational Foundation
5
Jay I. Kislak Reference Collection (Library of Congress)
5
Slovenská akadémia vied
5
American Academy of Family Physicians
4
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