PubMed for Librarians: IntroductionLearn about the difference between PubMed and MEDLINE, how to run a basic PubMed search, how to assess your search results, where to find search details, how to customize PubMed with My NCBI, and different ways to search for a known citation. We also briefly introduce Medical subject headings (MeSH), automatic term mapping, search tags and subheadings.