International bibliography

PubMed - Comprises more than 28 million citations for biomedical literature from MEDLINE, life science journals, and online books.

Scopus - The largest abstract and citation database of peer-reviewed literature: scientific journals, books and conference proceedings.

JCR - Offers a systematic, objective means to critically evaluate the world's leading journals, with quantifiable, statistical information based on citation data.

Econlit - The American Economic Association's comprehensive resource to the world's economic literature.

JSTOR - JSTOR provides access to more than 12 million academic journal articles, books, and primary sources in 75 disciplines.

OECD STAT - Single online platform where users can discover and access OECD statistical databases.

Eurostat - Offers a whole range of data that governments, businesses, the education sector, journalists and the public can use for their work and daily life.

Greek statistics

HSA - Dissemination database of the Hellenic Statistical Authority.

Epidemiology

IARC GLOBOCAN - The data from Globocan has been incorporated into Cancer Today, part of the Global Cancer Observatory – an interactive web-based platform presenting global cancer statistics to inform cancer control and research.

IARC NORDCAN - Information on new cancer cases (incidence), cancer mortality, number of persons living with a cancer diagnosis (prevalence) and cancer survival.

WHO HMDB - WHO European Hospital Mortality Database

Human Mortality Database - The Human Mortality Database (HMD) provides detailed mortality and population data to researchers, students, journalists, policy analysts, and others interested in the history of human longevity.

NHANES - The National Health and Nutrition Examination Survey (NHANES) is a program of studies designed to assess the health and nutritional status of adults and children in the United States. The survey is unique in that it combines interviews and physical examinations. NHANES is a major program of the National Center for Health Statistics (NCHS).

ESDS - UK database for people who make decisions and suggestions about government policies based on detailed information.

USRDS - The United States Renal Data System (USRDS) is a national data system that collects, analyzes, and distributes information about end-stage renal disease (ESRD) in the United States.

Health Economics

CEA Registry - Cost-effectiveness analysis registry.

NHS EED - The NHS Economic Evaluation Database (EED) contains economic evaluations of healthcare interventions. Economic evaluations are studies in which a comparison of two or more interventions or care alternatives is undertaken and in which both the costs and outcomes of the alternatives are examined. This includes cost-benefit analyses, cost-utility analyses, and cost-effectiveness analyses.

Drug statistics

WHO ATC DDD - A searchable version of the complete ATC index with DDDs.

Clinical trials

Clinicaltrials.gov - A registry and results database of federally and privately supported clinical trials conducted in the United States and around the world.

Cochrane - Systematic reviews of primary research in human health care and health policy, recognized as the highest standard in evidence-based healthcare.

Health care costs

NHS Reference Costs - UK Department of Health.