An official website of the United States government
The .gov means it's official.
Federal government websites often end in .gov or .mil. Beforesharing sensitive information, make sure you're on a federalgovernment site.
The site is secure.
The https:// ensures that you are connecting to theofficial website and that any information you provide is encryptedand transmitted securely.
Access keysNCBI HomepageMyNCBI HomepageMain ContentMain Navigation
National Center for Biotechnology Information
The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information.
Submit
Deposit data or manuscripts into NCBI databases
Submit Icon
Learn
Find help documents, attend a class or watch a tutorial
Books Icon
Develop
Use NCBI APIs and code libraries to build applications
Develop Icon
Analyze
Identify an NCBI tool for your data analysis task
Graph Icon
Research
Explore NCBI research and collaborative projects
Microscope Icon
Popular Resources
Follow NCBI
