AIDSInfo
U.S. Department of Health and Human Services (HHS) resource providing information on HIV/AIDS clinical trials and federally approved HIV treatment and prevention guidelines.

Interlibrary Loan
Interlibrary loan services are available only to libraries.

American Indian Health
An information portal to issues affecting the health and well-being of American Indians.

International Toxicity Estimates for Risk
Risk information on over 600 chemicals from several authoritative organizations worldwide.

Arctic Health
Health and well-being of our planet's northern-most inhabitants.

List of Serials Indexed for Online Users
Bibliographic information for serials indexed in MEDLINE® (available in both PDF and XML).

Asian American Health
An information portal to issues affecting the health and well-being of Asian Americans in the United States.

Loansome Doc®
Enables PubMed and NLM Gateway users to order documents found in MEDLINE®.

Bioethics
Ethical, legal and policy issues in health care and biomedical research.

LocatorPlus
Catalog of books, journals, and audiovisuals.

Biotechnology Information
Molecular biology, computational biology and related software tools.

Medical Subject Headings (MeSH®)
Controlled vocabulary thesaurus and MeSH Browser.

Bookshelf
The Bookshelf is a collection of biomedical books that can be searched directly.

MEDLINE®/PubMed®
References including abstracts from thousands of biomedical journals.

Cancer Information
Cancer information via the MEDLINE®/PubMed® database and the National Cancer Institute (NCI).

MedlinePlus®
Health information for patients, families and health care providers. Also in Spanish.

Chemical Carcinogenesis Research Information
Carinogenicity, mutagenicity, tumor promotion, and tumor inhibition test results on over 8,000 chemicals.

MedlinePlus® en español
Health information for patients, families and health care providers in Spanish.

Chemical Identification Plus
Online dictionary of over 300,000 chemicals, including names, synonyms, and chemical structures.

MeSH Browser
Medical Subject Heading look-up tool.

Chemical Information
Chemical data and chemical structure databases.

MIMCom Malaria Research Resources
Supporting African scientists and malaria researchers.

Clinical Alerts
Provided to expedite the release of findings from the NIH-funded clinical trials.

Molecular Biology
Molecular biology, computational biology and related software tools.

ClinicalTrials.gov
Patient studies for drugs and treatment.

Multiple Congenital Anomaly/Mental Retardation (MCA/MR) Syndromes
Database to facilitate the identification and differentiation of syndromic entities.

Developmental and Reproductive Toxicology Database
Over 40,000 references to the teratology, developmental and reproductive toxicology literature.

NIHSeniorHealth
Easily-accessible age-related health information.

DIRLINE®
Online Directory of Health Organizations.

NLM Catalog
An alternate search interface to the 1.2 million bibliographic records for books, journals, audiovisuals, computer software, electronic resources, and other materials resident in LocatorPlus.

DOCLINE®
Interlibrary loan (ILL) request routing and referral system.

NLM Classification
Medical library classification and index tool.

Drug Information
Where to find information about U.S. drugs.

NLM Gateway
Search multiple retrieval systems.

Entrez
Search the biomedical databases of the Entrez Molecular Biology System.

OLDMEDLINE
References to biomedical journal articles 1951 through 1965.

Genetics Home Reference
Genetic conditions and the genes responsible.

Online Exhibitions and Digital Projects
Recent and currently on exhibit.

Genetic Toxicology
Mutagenicity test data, on over 3,000 chemcials based on peer review of the scientific literature.

Practice Guidelines
Full-text documents providing health information supporting health care decision making.

Haz-Map®
Hazardous Chemicals and Occupational Diseases®.

Profiles in Science™
Archival collections of leaders in biomedical research and public health.

Hazardous Substances Data Bank
Online toxicology handbook on over 4,700 chemicals.

Public Health Partners
Information Access for the Public Health Workforce.

Health Data Standards and Privacy
NLM participation in HIPAA activities.

PubMed Central™
Digital archive of life sciences journal literature.

Health Hotlines
Toll-free telephone numbers for various services.

PubMed®/MEDLINE®
References including abstracts from thousands of biomedical journals.

Health Services Research & Health Care Technology
Includes clinical practice guidelines.

PubMed Tutorial
Interactive instruction tool.

Health Services Research Projects (HSRProj)
Ongoing grants and contracts in health services research.

Space Life Sciences
Literature of space flight and ground-based life sciences.

Health Services and Sciences Research Resources
Research datasets and instruments/indices.

Tox Town
Interactive guide to toxic chemicals and environmental health risks. Also in Spanish ToxTown en español.

Health Services Technology Assessment Texts (HSTAT)
Full-text documents providing health information and support health care decision making.

Toxic Release Inventory
Annual estimated releases of toxic chemicals into the environment by industrial facilities in the United States.

History of Medicine
Exhibitions, historical scholarship and images in medicine.

Toxicology and Environmental Health Information
Portal to numerous NLM databases and resources in environmental health and toxicology.

HIV/AIDS Resources
Information on acquired immunodeficiency syndrome (AIDS) and human immunodeficiency virus (HIV).

Toxicology Literature Online
Over 3 million references to the toxicological literature.

Household Products Database
Health and safety information.

TOXNET®
Network of databases on toxicology, hazardous chemicals, and environmental health.

Images from the History of Medicine
Access to the nearly 60,000 images in the prints and photograph collection of the History of Medicine Division (HMD).

Unified Medical Language System® (UMLS®)
Electronic "Knowledge Sources" and associated lexical programs including SNOMED CT®.

Index Catalogue
IndexCat is the National Library of Medicine's digital version of the printed Index-Catalogue of the Library of the Surgeon General's Office, (Index Catalogue).

Visible Human Project®
Three-dimensional representations of the human body.

Integrated Risk Information System
Hazard identification and dose-response assessments on over 500 chemicals.