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Obesity
English
ISSN:
1930-7381
EISSN:
1930-739X
ISI Impact Factor: 4.284
Free after 12 months
2006-present
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Obesity and Metabolism
English
ISSN:
1825-3865
EISSN:
1826-7572
ISI Impact Factor: 0.152
FREE
2005-present
Non-printable PDFs are available to non-subscribers, printable PDFs are reserved to subscribers.
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Obesity Research
English
ISSN:
1071-7323
EISSN:
1550-8528
FREE
2000-2005
Title has changed, since 2006, to 'Obesity'.
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Obstetrician and Gynaecologist, The
English
ISSN:
1467-2561
EISSN:
1744-4667
Free after 24 months
1999-present
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Obstetrics and Gynecology
English
ISSN:
0029-7844
EISSN:
1873-233X
ISI Impact Factor: 4.730
Free after 12 months
1999-present
Not all articles are freely available.
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Obstetrics and Gynecology International
Alternative link
English
ISSN:
1687-9589
EISSN:
1687-9597
FREE
2009-present
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| |
Occasional Papers: Royal College of General Practitioners
English
ISSN:
1352-2450
FREE
1988-2006
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Occupational and Environmental Medicine
English
ISSN:
1351-0711
EISSN:
1470-7926
ISI Impact Factor: 3.020
FREE
1994-2006
Continues 'British Journal of Industrial Medicine'. Free access to all articles prior to 2006. A one-time registration needs to be completed to access the archive, here: http://journals.bmj.com/cgi/register
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Occupational Medicine
English
ISSN:
0962-7480
EISSN:
1471-8405
ISI Impact Factor: 1.136
Free after 12 months
1996-present
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Ochsner Journal, The
Alternative link
English
ISSN:
1524-5012
FREE
2002-present
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Odonto
English
Portuguese
ISSN:
1518-7004
EISSN:
2176-1000
FREE
2007-present
|
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Okajimas Folia Anatomica Japonica
English
ISSN:
0030-154X
EISSN:
1881-1736
FREE
2002-present
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|
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Oman Journal of Ophthalmology
Alternative link
English
ISSN:
0974-620X
EISSN:
0974-7842
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2008-present
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Oman Medical Journal
Alternative link
English
ISSN:
1999-768X
EISSN:
2070-5204
FREE
2007-present
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Oncogene
English
ISSN:
0950-9232
EISSN:
1476-5594
ISI Impact Factor: 6.373
FREE
1997-2004
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| |
Oncogenesis
Alternative link
English
EISSN:
2157-9024
ISI Impact Factor: 0
FREE
2012-present
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Oncología
Spanish
ISSN:
0378-4835
FREE
2004-2007
Ceased publication in 2007.
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Oncologist, The
Alternative link
English
ISSN:
1083-7159
EISSN:
1549-490X
ISI Impact Factor: 3.910
Free after 12 months
1996-present
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Oncology Reports
English
ISSN:
1021-335X
EISSN:
1791-2431
ISI Impact Factor: 1.835
Free after 12 months
2006-present
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Oncotarget
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English
EISSN:
1949-2553
ISI Impact Factor: 0
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2010-present
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OncoTargets and Therapy
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English
EISSN:
1178-6930
ISI Impact Factor: 0
FREE
2008-present
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Onderstepoort Journal of Veterinary Research
English
ISSN:
0030-2465
EISSN:
2219-0635
ISI Impact Factor: 0.356
FREE
2004-present
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Onkologia Polska
ISSN:
1505-6732
FREE
1998-present
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Onkologia w Praktice Klinicznej
ISSN:
1734-3542
FREE
2005-present
Only in the Polish version of the website it is possible to download the fulltext of the documents.
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Online Brazilian Journal of Nursing
English
Spanish
Portuguese
ISSN:
1676-4285
FREE
2005-present
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Online Journal of Biological Sciences
English
ISSN:
1608-4217
FREE
2006-present
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Online Journal of Health and Applied Sciences
English
ISSN:
0972-5997
FREE
2002-present
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Online Journal of Health Ethics
English
ISSN:
1551-4218
FREE
2004-present
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Online Journal of Issues in Nursing
English
EISSN:
1091-3734
ISI Impact Factor: 0
FREE
1996-present
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Online Journal of Public Health Informatics
English
ISSN:
1947-2579
FREE
2009-present
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Ontario Health Technology Assessment Series
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English
EISSN:
1915-7398
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FREE
2001-present
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|
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Open Access Animal Physiology
English
ISSN:
1179-2779
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2009-present
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Open Access Emergency Medicine
English
EISSN:
1179-1500
ISI Impact Factor: 0
FREE
2009-present
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Open Access Journal of Clinical Trials
English
EISSN:
1179-1519
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FREE
2009-present
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Open Access Journal of Medicinal and Aromatic Plants
English
ISSN:
0974-7877
FREE
2010-present
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Open Access Journal of Urology
English
EISSN:
1179-1551
ISI Impact Factor: 0
FREE
2009-2011
Title changed to 'Research and Reports in Urology' since 2012.
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Open Access Rheumatology: Research and Reviews
English
EISSN:
1179-156X
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FREE
2009-present
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Open Access Surgery
English
EISSN:
1178-7082
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2008-present
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Open AIDS Journal
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English
EISSN:
1874-6136
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2007-present
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Open Biochemistry Journal
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English
EISSN:
1874-091X
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2007-present
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Open Biology
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English
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2046-2441
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2011-present
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Open Biomedical Engineering Journal
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English
EISSN:
1874-1207
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2007-present
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Open Cardiovascular Medicine Journal
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English
EISSN:
1874-1924
ISI Impact Factor: 0
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2007-present
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Open Dentistry Journal
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English
EISSN:
1874-2106
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2007-present
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Open Journal of Occupational Therapy
English
ISSN:
2168-6408
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2012-present
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Open Medical Informatics Journal
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English
EISSN:
1874-4311
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2007-present
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Open Medicinal Chemistry Journal
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English
EISSN:
1874-1045
ISI Impact Factor: 0
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2007-present
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Open Medicine
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English
EISSN:
1911-2092
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FREE
2007-present
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Open Microbiology Journal
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English
EISSN:
1874-2854
ISI Impact Factor: 0
FREE
2007-present
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Open Neuroimaging Journal
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English
EISSN:
1874-4400
ISI Impact Factor: 0
FREE
2007-present
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Open Neurology Journal
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English
EISSN:
1874-205X
ISI Impact Factor: 0
FREE
2007-present
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Open Nursing Journal
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English
EISSN:
1874-4346
ISI Impact Factor: 0
FREE
2007-present
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Open Respiratory Medicine Journal
Alternative link
English
EISSN:
1874-3064
ISI Impact Factor: 0
FREE
2007-present
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| |
Open Rheumatology Journal
Alternative link
English
EISSN:
1874-3129
ISI Impact Factor: 0
FREE
2007-present
|
|
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Open Veterinary Journal
English
ISSN:
2226-4485
EISSN:
2218-6050
FREE
2011-present
|
| |
Open Virology Journal
Alternative link
English
EISSN:
1874-3579
ISI Impact Factor: 0
FREE
2007-present
|
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| |
Operative Techniques in Cardiac and Thoracic Surgery
English
ISSN:
1085-5637
FREE
1996-1998
Title changed, since 1999, to 'Operative Techniques in Thoracic and Cardiovascular Surgery'. Articles 1996-1998 are free.
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|
| |
Operative Techniques in Thoracic and Cardiovascular Surgery
English
ISSN:
1522-2942
Free after 24 months
1998-present
|
| |
Optics Express
English
EISSN:
1094-4087
ISI Impact Factor: 0
FREE
1997-present
|
| |
Optometry and Vision Science
English
ISSN:
1040-5488
EISSN:
1538-9235
ISI Impact Factor: 2.108
Free after 12 months
1989-present
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ORAL & Implantology (Odontostomatology Research Anatomy Learning and Implantology)
English
ISSN:
1974-5648
EISSN:
2035-2468
FREE
2008-present
This is an open access journal. A free registration, however, must be done to see fulltext articles.
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Oral Oncology Extra
English
ISSN:
1741-9409
FREE
2004-2006
Ceased publication in 2007.
|
| |
Organic and Medical Chemistry Letters
Alternative link
English
EISSN:
2191-2858
ISI Impact Factor: 0
FREE
2011-present
|
| |
Organogenesis
Alternative link
English
ISSN:
1547-6278
EISSN:
1555-8592
ISI Impact Factor: 2.170
Free after 12 months
2004-present
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Oriental Pharmacy and Experimental Medicine
English
ISSN:
1598-2386
EISSN:
2211-1069
FREE
2001-2010
|
| |
Orphanet Journal of Rare Diseases
Alternative link
English
EISSN:
1750-1172
ISI Impact Factor: 0
FREE
2006-present
|
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Orthopedics and Traumatology: Surgery and Research
English
EISSN:
1877-0568
ISI Impact Factor: 0
FREE
2009-present
This journal is open access. However, a free registration must be completed in order to access the articles.
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Ortodoncia Clínica
Spanish
ISSN:
1139-4714
FREE
2000-2009
This journal is open access. However, a free registration must be completed in order to access the articles.
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Ortopedia Traumatologia Rehabilitacja
English
ISSN:
1509-3492
FREE
2005-present
|
|
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Osteologie
German
ISSN:
1019-1291
FREE
2002-2007
|
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| |
Osteopatía Científica
Spanish
ISSN:
1886-9297
Free after 24 months
2008-present
|
|
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Osteopathic Medicine and Primary Care
Alternative link
English
EISSN:
1750-4732
ISI Impact Factor: 0
FREE
2007-2010
|
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Ostomy Wound Management
English
ISSN:
0889-5899
EISSN:
1943-2720
ISI Impact Factor: 1.076
FREE
2001-present
Only HTML version is free without registration. A free registration is needed to access PDF version of the documents.
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| |
Oxidative Medicine and Cellular Longevity
Alternative link
English
ISSN:
1942-0900
EISSN:
1942-0994
ISI Impact Factor: 2.841
FREE
2008-present
|