The literature database ETHMED provides access to articles, books, congress reports, academic dissertations, court decisions and legal texts on medical ethics mainly from German- but also from English-speaking countries.

is an integrative literature database on bioethics. Developed by the German Reference Centre for Ethics in the Life Sciences (DRZE, Bonn) and operated in co-operation with the Information and Documentation Centre on Ethics in Medicine (IDEM, Göttingen), the International Centre for Ethics in the Sciences and Humanities (IZEW, Tübingen), the Bioethics Research Library at Georgetown University (Kennedy Institute of Ethics (KIE), Washington, DC) and the Centre de documentation en éthique (CDE, Comité consultatif national d'éthique, Paris).

The German Institut of Medical Documentation and Information (DIMDI) offers a vaste number of medical databases, which are simultaneously searchable. The DIMDI preselection of databases for medical literature are:

MEDLINE:
The Medical Literature Analysis and Retrieval System Online covers worldwide literature on every area of medicine, including dental medicine, veterinary medicine, psychology, and public health. Producer is the National Library of Medicine, USA.

BIOSIS Previews:
covers literature in the field of biology, human and veterianry medicine, biochemistry, pharmacology, toxicology, and environmental sciences, especially from Nothern America nad Europe. Producer is Thomson Reuters, USA.

EMBASE Alert:
preliminary database of the EMBASE database. It contains the most current proofs of international literature with European focus on the total area of the human medicine and related fields which will be incorporated into EMBASE fully indexed a few weeks later.

EMBASE:
EMBASE (Excerpta Medica Database) covers worldwide literature, especially from Europe, in the field of human medicine and related fields with special emphasis given to drug research, pharmacology, pharmacy, pharmacoeconomics, toxicology, basic biological research, health policy and management, public, occupational and environmental health, and substance dependence and abuse. Producer is Elsevier B. V., The Netherlands.

gms:
The gms (German Medical Science) database contains bibliographic data of medical research articles (75% with Abstract), linked with the corresponding free of charge full texts. Producer is German Medical Science gGmbH, Düsseldorf, Germany.

gms Meetings:
The GMS (German Medical Science) Meetings database contains bibliographic data linked with the corresponding abstracts or full texts. The database contains abstracts of scientific medical conferences. Producer is German Medical Science gGmbH, Düsseldorf, Germany.

SciSearch:
SciSearch covers worldwide literature in the fields of science, technology, and medicine. The database contains all citations published in "Science Citation Index Expanded". Producer is Thomson Reuters, USA.

PubMed encompasses the databases OLDMEDLINE and MEDLINE. In contrast to MEDLINE, PubMed is enlarged by the newest articles (in-process records) daily. These latest data sets are not yet indexed with the Medical Subject Headings (MeSH). After being indexed the data sets are integrated into MEDLINE. Producers are the National Library of Medicine (NLM) and the National Institutes of Health, USA.

In December 2013, the European Commission published the Guidelines on Open Access to Scientific Publications and Research Data for the EU Research Framework Programme Horizon 2020. Under Horizon 2020, the publication of project results can be reimbursed as direct project costs. (PDF)

Europe PubMed Central (Europe PMC) offers free access to biomedical literature resources including:  PubMed abstracts (about 28 million),  Europe PMC full text articles (about 2.6 million, of which over 570,000 are Open Access), Patent abstracts (over 4 million European, US, and International), National Health, Service (NHS) clinical guidelines, Agricola records (500,000), Supplemented with Chinese Biological Abstracts

DOAJ is an online directory that indexes and provides access to quality open access, peer-reviewed journals. The DOAJ provides 9.932 Journals, 5.829 searchable at Article level, 134 Countries, 1.697,468 Articles

PLoS ONE Journals with a broad spectrum of disciplines. PLoS Medicine is an Open Access journal in medicine.