PubMed, the largest biomedical database in the world, one of the products and services of the National Library of Medicine, and is freely available on the Internet. The database contains over 20,000,000 citations, requiring the user to know how to navigate the database efficiently. For the PubMed Quick Start Guide, click here. For the full Tutorials Page, click here. Below are a list of short video tutorials to help you learn to search PubMed efficientlly. The first 4 videos are highly recommended for new PubMed searchers.