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A guide to using PubMed to find research articles.
Last Updated: Oct 28, 2014 URL: http://guides.library.harvard.edu/PubMed Print Guide RSS UpdatesEmail Alerts

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Introduction

PubMed is the interface for MEDLINE, the database of biomedical research articles compiled by the U.S. Natonal Library of Medicine, National Institutes of Health (NLM/NIH). It has over 21 milion citations, with ore being added every day. From PubMed, you can link out to actual articles using the FindIt @ Harvard button; extend your search to other databases from the National Center for Biotechnical Information (NCBI) and more. You can set up a My NCBI account and save your searches; get updates on a regular basis whenever an article on that subject is published; save references; and set up a bibliography.

This Guide will give you an overview of PubMed and also show you some ways to enhance and also simplify your searching.

 

Getting Started

Although PubMed is freely availble, ALWAYS enter it through a Harvard portal - for instance through a library such as library.mcz.harvard.edu (under Digital Resources). Otherwise, you won't be able to get to the many journals to which the University subscribes.

Basic searching in PubMed is very easy. Simply enter your search term(s) in the search box at the top. PubMed will suggest topics for you, and if you like any of them you can simply click on one. You can also put in your own search terms, and you can add AND or OR beteen terms to combine them.

Once you have a set of results, you can refine or expand them in many ways. Right along the top of the results page, you can:

  • Set up an RSS feed if you like your search and want to get updates
  • Save your search in My NCBI
  • Set Limits (these are very useful in refining searches - you can limit by type of article, sex, age, and more)
  • Do an Advanced Search

Working down the reults page, you will be able to:

  • Change the Display Settings
  • Send to various destinations, including Email and a Clipboard where you can temporarily store them, plus other options to be discussed later
  • Filter your results (WARNING: don't seelct Free Full Text because Harvard pays for many resources that won't appear but that would be free to you); for a quick overview of the topic, Review articles are an excellent place to start

Looking down the Results page, you can click on any reqult to see the full entry; or click on Related Citations to find similar articles (this is a great way to start if you find a couple of items that are right on target). On the right-hand side, PubMed also tells you the details of what it searched; if you didn't get what you wanted, that will give you clues to what to change. It also gives your search history (Recent Activity) so you can see exactly how you have searched.

All this is just on the first page of Results, but there is much more! See the other tabs for more information on how to make the most of this incredibly rich database.

Subject Guide

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Dorothy Barr
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