DOAJ Directory of Open Access Journals (170.195)
DOAJ Directory of Open Access Journals ausschließen
Elsevier BV (CrossRef) (72.286)
Elsevier BV (CrossRef) ausschließen
Verbunddaten SWB (35.558)
Verbunddaten SWB ausschließen
Springer Science and Business Media LLC (CrossRef) (34.209)
Springer Science and Business Media LLC (CrossRef) ausschließen
Lizenzfreie Online-Ressourcen (34.150)
Lizenzfreie Online-Ressourcen ausschließen
Wiley (CrossRef) (30.416)
Wiley (CrossRef) ausschließen
Informa UK Limited (CrossRef) (15.463)
Informa UK Limited (CrossRef) ausschließen
SAGE Publications (CrossRef) (14.231)
SAGE Publications (CrossRef) ausschließen
Oxford University Press (OUP) (CrossRef) (8.178)
Oxford University Press (OUP) (CrossRef) ausschließen
Ovid Technologies (Wolters Kluwer Health) (CrossRef) (7.829)
Ovid Technologies (Wolters Kluwer Health) (CrossRef) ausschließen
Public Library of Science (PLoS) (CrossRef) (7.049)
Public Library of Science (PLoS) (CrossRef) ausschließen
BASE - Bielefeld Academic Search Engine (5.936)
BASE - Bielefeld Academic Search Engine ausschließen
EconStor (German National Library of Economics, ZBW) (5.185)
EconStor (German National Library of Economics, ZBW) ausschließen
BMJ (CrossRef) (4.118)
BMJ (CrossRef) ausschließen
Emerald (CrossRef) (4.021)
Emerald (CrossRef) ausschließen
Cambridge University Press (CUP) (CrossRef) (3.242)
Cambridge University Press (CUP) (CrossRef) ausschließen
JSTOR Life Sciences Archive (2.529)
JSTOR Life Sciences Archive ausschließen
JSTOR Health & General Sciences (2.451)
JSTOR Health & General Sciences ausschließen
Georg Thieme Verlag KG (CrossRef) (1.922)
Georg Thieme Verlag KG (CrossRef) ausschließen
American Psychological Association (APA) (CrossRef) (1.693)
American Psychological Association (APA) (CrossRef) ausschließen
SSOAR Social Science Open Access Repository (1.660)
SSOAR Social Science Open Access Repository ausschließen
AIP Publishing (CrossRef) (1.572)
AIP Publishing (CrossRef) ausschließen
American Medical Association (AMA) (CrossRef) (1.323)
American Medical Association (AMA) (CrossRef) ausschließen
Medknow (CrossRef) (1.256)
Medknow (CrossRef) ausschließen
MDPI AG (CrossRef) (1.184)
MDPI AG (CrossRef) ausschließen
American Chemical Society (ACS) (CrossRef) (989)
American Chemical Society (ACS) (CrossRef) ausschließen
Walter de Gruyter GmbH (CrossRef) (892)
Walter de Gruyter GmbH (CrossRef) ausschließen
JMIR Publications Inc. (CrossRef) (880)
JMIR Publications Inc. (CrossRef) ausschließen
Institute of Electrical and Electronics Engineers (IEEE) (CrossRef) (868)
Institute of Electrical and Electronics Engineers (IEEE) (CrossRef) ausschließen
Nationallizenzen (844)
Nationallizenzen ausschließen
World Bank E-Library Archive (Nationallizenz) (843)
World Bank E-Library Archive (Nationallizenz) ausschließen
S. Karger AG (CrossRef) (634)
S. Karger AG (CrossRef) ausschließen
American Society of Hematology (CrossRef) (626)
American Society of Hematology (CrossRef) ausschließen
American Association for the Advancement of Science (AAAS) (CrossRef) (583)
American Association for the Advancement of Science (AAAS) (CrossRef) ausschließen
American Society of Clinical Oncology (ASCO) (CrossRef) (574)
American Society of Clinical Oncology (ASCO) (CrossRef) ausschließen
Diss online (541)
Diss online ausschließen
American Public Health Association (CrossRef) (534)
American Public Health Association (CrossRef) ausschließen
Massachusetts Medical Society (CrossRef) (523)
Massachusetts Medical Society (CrossRef) ausschließen
Springer International Publishing (CrossRef) (468)
Springer International Publishing (CrossRef) ausschließen
Centers for Disease Control MMWR Office (CrossRef) (446)
Centers for Disease Control MMWR Office (CrossRef) ausschließen
PsychArchives (353)
PsychArchives ausschließen
Sächsische Bibliografie (350)
Sächsische Bibliografie ausschließen
American Association for Cancer Research (AACR) (CrossRef) (331)
American Association for Cancer Research (AACR) (CrossRef) ausschließen
American Diabetes Association (CrossRef) (319)
American Diabetes Association (CrossRef) ausschließen
National Academy of Sciences (CrossRef) (319)
National Academy of Sciences (CrossRef) ausschließen
European Respiratory Society (ERS) (CrossRef) (304)
European Respiratory Society (ERS) (CrossRef) ausschließen
Centers for Disease Control and Prevention (CDC) (CrossRef) (298)
Centers for Disease Control and Prevention (CDC) (CrossRef) ausschließen
American Academy of Pediatrics (AAP) (CrossRef) (286)
American Academy of Pediatrics (AAP) (CrossRef) ausschließen
Jaypee Brothers Medical Publishing (CrossRef) (284)
Jaypee Brothers Medical Publishing (CrossRef) ausschließen
Project MUSE (CrossRef) (262)
Project MUSE (CrossRef) ausschließen
Hogrefe Publishing Group (CrossRef) (261)
Hogrefe Publishing Group (CrossRef) ausschließen
Scientific Scholar (CrossRef) (261)
Scientific Scholar (CrossRef) ausschließen
IOP Publishing (CrossRef) (245)
IOP Publishing (CrossRef) ausschließen
ISMA SYC INT (CrossRef) (223)
ISMA SYC INT (CrossRef) ausschließen
Association for Computing Machinery (ACM) (CrossRef) (217)
Association for Computing Machinery (ACM) (CrossRef) ausschließen
Qucosa (215)
Qucosa ausschließen
American Physiological Society (CrossRef) (205)
American Physiological Society (CrossRef) ausschließen
Health Affairs Publishing, LLC (CrossRef) (204)
Health Affairs Publishing, LLC (CrossRef) ausschließen
Royal Society of Chemistry (RSC) (CrossRef) (189)
Royal Society of Chemistry (RSC) (CrossRef) ausschließen
The Scientific and Technological Research Council of Turkey (TUBITAK-ULAKBIM) - DIGITAL COMMONS JOURNALS (CrossRef) (183)
The Scientific and Technological Research Council of Turkey (TUBITAK-ULAKBIM) - DIGITAL COMMONS JOURNALS (CrossRef) ausschließen
Springer Nature Switzerland (CrossRef) (181)
Springer Nature Switzerland (CrossRef) ausschließen
American Society for Microbiology (CrossRef) (175)
American Society for Microbiology (CrossRef) ausschließen
University of Toronto Press Inc. (UTPress) (CrossRef) (171)
University of Toronto Press Inc. (UTPress) (CrossRef) ausschließen
Maad Rayan Publishing Company (CrossRef) (150)
Maad Rayan Publishing Company (CrossRef) ausschließen
Pleiades Publishing Ltd (CrossRef) (148)
Pleiades Publishing Ltd (CrossRef) ausschließen
JSTOR Sustainability (146)
JSTOR Sustainability ausschließen
FapUNIFESP (SciELO) (CrossRef) (143)
FapUNIFESP (SciELO) (CrossRef) ausschließen
Instituto Nacional de Salud Publica (CrossRef) (143)
Instituto Nacional de Salud Publica (CrossRef) ausschließen
American Geophysical Union (AGU) (CrossRef) (136)
American Geophysical Union (AGU) (CrossRef) ausschließen
University of Chicago Press (CrossRef) (133)
University of Chicago Press (CrossRef) ausschließen
JSTOR Arts & Sciences I Archive (132)
JSTOR Arts & Sciences I Archive ausschließen
American Roentgen Ray Society (CrossRef) (123)
American Roentgen Ray Society (CrossRef) ausschließen
Journal of Pure and Applied Microbiology (CrossRef) (118)
Journal of Pure and Applied Microbiology (CrossRef) ausschließen
PLUS COMMUNICATION CONSULTING SRL (CrossRef) (118)
PLUS COMMUNICATION CONSULTING SRL (CrossRef) ausschließen
North American Business Press (CrossRef) (109)
North American Business Press (CrossRef) ausschließen
World Scientific Pub Co Pte Ltd (CrossRef) (109)
World Scientific Pub Co Pte Ltd (CrossRef) ausschließen
African Journals Online (AJOL) (CrossRef) (108)
African Journals Online (AJOL) (CrossRef) ausschließen
Hindawi Limited (CrossRef) (107)
Hindawi Limited (CrossRef) ausschließen
Politechnika Slaska - Silesian University of Technology (CrossRef) (104)
Politechnika Slaska - Silesian University of Technology (CrossRef) ausschließen
Knowledge E DMCC (CrossRef) (101)
Knowledge E DMCC (CrossRef) ausschließen
Australasian College of Health Service Management (CrossRef) (99)
Australasian College of Health Service Management (CrossRef) ausschließen
Frontiers Media SA (CrossRef) (98)
Frontiers Media SA (CrossRef) ausschließen
American Society for Clinical Investigation (CrossRef) (97)
American Society for Clinical Investigation (CrossRef) ausschließen
JSTOR Business & Economics (94)
JSTOR Business & Economics ausschließen
JSTOR Business I Archive (93)
JSTOR Business I Archive ausschließen
MJS Publishing, Medical Journals Sweden AB (CrossRef) (92)
MJS Publishing, Medical Journals Sweden AB (CrossRef) ausschließen
Brazilian Journals (CrossRef) (91)
Brazilian Journals (CrossRef) ausschließen
JSTOR Arts & Sciences II Archive (91)
JSTOR Arts & Sciences II Archive ausschließen
Radiological Society of North America (RSNA) (CrossRef) (89)
Radiological Society of North America (RSNA) (CrossRef) ausschließen
CAIRN (CrossRef) (88)
CAIRN (CrossRef) ausschließen
WHO Press (CrossRef) (85)
WHO Press (CrossRef) ausschließen
The Russian Academy of Sciences (CrossRef) (83)
The Russian Academy of Sciences (CrossRef) ausschließen
Berghahn Books (CrossRef) (82)
Berghahn Books (CrossRef) ausschließen
Institution of Engineering and Technology (IET) (CrossRef) (82)
Institution of Engineering and Technology (IET) (CrossRef) ausschließen
Acoustical Society of America (ASA) (CrossRef) (77)
Acoustical Society of America (ASA) (CrossRef) ausschließen
Consortium Erudit (CrossRef) (77)
Consortium Erudit (CrossRef) ausschließen
Center for Strategic Studies in Business and Finance SSBFNET (CrossRef) (75)
Center for Strategic Studies in Business and Finance SSBFNET (CrossRef) ausschließen
Duke University Press (CrossRef) (75)
Duke University Press (CrossRef) ausschließen
Bucharest University of Economic Studies (CrossRef) (73)
Bucharest University of Economic Studies (CrossRef) ausschließen
Universidad Nacional Autonoma de Mexico (CrossRef) (73)
Universidad Nacional Autonoma de Mexico (CrossRef) ausschließen