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Searching in PubMed

A guide for using PubMed, the world's largest database for biomedical and health sciences literature.

NCBI & NLM Documentation

NCBI Website and Data Usage Policies and Disclaimers
A General Introduction to the E-utilities
Overview including usage guidelines and requirements, E-utilities, frequency, timing and registration of E-utility URL Requests, demonstration programs and more.
New API Keys for the E-utilities
Reviews what an API key is and why you may want to use one.
NCBI APIs
Available APIs and access to documentation including an API for PubMed Central.
How to Use Web APIs for Text Mining
Chih-Hsuan Wei, Robert Leaman, Zhiyong Lu (2016). Beyond accuracy: Creating interoperable and s calable text mining web services, Bioinformatics, DOI:10.1093/bioinformatics/btv760.