Academic Resource Index Researchbib

Catalogue of Hamburg Libraries – Beluga

Berlin Social Science Center, WZB

Directory of Open Access Journals (DOAJ)

Directory of Research Journals Indexing

Elektronische Zeitschriftenbibliothek provided by Hochschule Hannover University of Applied Sciences and Arts


Hochschule Zittau/Görlitz University of Applied Sciences

InfoMED Professionals is the National Center for Medical Sciences Information in Spain.

Internet Archive

International Committee of Medical Journal Editors (ICMJE)

JuLib eXtended, Germany

German Cancer Research CenterCaRLO Cancer Research Library Online

Google Scholar

Leibniz Information Center for Science and Technology University Library (TIB)

Leuphana Universität Lüneburg

LIBRIS provided by National Library of Sweden.

National Library of Finland

NSD – Norwegian Centre for Research Data, Norwegian Register for Scientific Journals, Series and Publishers

OVID LinkSolver provided by Wolters Kluwer.

Revistas científicas electrónicas IBT-CCG UNAM

SaludMadrid is the body responsible for the system of public health services in the Community of Madrid.

Social Science Research Center Berlin, Electronic Journals Library, EZB provided by University Library of Regensburg and Federal Ministry of Education and Research, Germany

Stanford University, California, US


Universität Hamburg

University of Saskatchewan, Canada

University of Vechta

Vanderbilt University, Nashville, US

Vrije Universiteit Brussel, Belgium

WILBERT, Wildauer Bücher+E-Medien Recherche-Tool


ZDB Zeitschriften Datenbank provided by Deutsche National Bibliothek and Staatsbibliothek zu Berlin