Author
BioMed Central Ltd
38
Hindawi Publishing Corporation
29
International Scholarly Research Network
19
American Health Consultants
15
British Medical Association
15
Libertas Academica
15
Ovid Technologies, Inc
11
Royal Society of Medicine (Great Britain)
10
Sage Publications
10
World Health Organization
10
HCPro (Firm)
8
Dānishgāh-i ʻUlūm-i Pizishkī-i Tihrān
7
Taylor & Francis
7
American Speech-Language-Hearing Association
6
Health Reference Center
5
John Wiley & Sons
5
MCB University Press
5
American Diabetes Association
4
Cambridge University Press
4
Canadian Medical Association
4
Dānishgāh-i ʻUlūm-i Pizishkī-i Tabrīz
4
Frontiers Research Foundation
4
Humana Press
4
Molecular Diversity Preservation International
4
Multidisciplinary Digital Publishing Institute
4
American Association of Critical-Care Nurses
3
American Association of Occupational Health Nurses
3
American College of Healthcare Executives. Foundation
3
American Health Information Management Association
3
American Hospital Association
3
American Industrial Hygiene Association
3
American Institute of Physics
3
American Nurses Association
3
British Dental Association
3
British Thoracic Society
3
Dānishgāh-i ʻUlūm-i Pizishkī-i Iṣfahān
3
Dove Medical Press Ltd
3
European Society of Radiology
3
Hammill Institute on Disabilities
3
Harvard Medical School
3
Harvard Medical School. Health Publications Group
3
National Institutes of Health (U.S.). PubMed Central
3
Nature Publishing Group
3
Nova Science Publishers
3
Orthopaedic Research Society
3
Royal College of Nursing (Great Britain)
3
Royal College of Psychiatrists
3
S. Karger (Firm)
3
University of Pittsburgh. University Library System
3
Academy of Medical-Surgical Nurses
2
more ...