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Tutorial Instructions

Searchable Questions

About MEDLINE

Keyword/Textword

Searching


Medical Subject Headings

Overview 1

Mapping

Subheadings

MeSH Tree

Explode

Focus

Combining (AND, OR)

Combining Overview

Limiting

Displaying Results

Full Text Articles

Printing/E-Mailing/Saving

Ordering Articles



EXPLODE
Screen 3 of 3

Sample retrieval with and without Explode ("exp") .

Look at the difference in the "Results" column that exploding will make in your retrieval:

#Search HistoryResultsDisplay
1 Heart Diseases/ 10511 DisplayDISPLAY
2 exp Heart Diseases/ 202978 DisplayDISPLAY

Keep in mind that although many thousands of articles were retrieved in set #2, when you begin combining this result with other concepts in your search topic, the retrieval will be reduced to a reasonable number of articles.