BUMC MEDLINE Plus/OVID Tutorial


Boston University Medical Center
Alumni Medical Library

Tutorial Menu Options
Tutorial Home
Instructions for Using this Tutorial
Developing Your Search Strategy
Formulating Your Question
Choosing An Appropriate Database
Selecting the Best Terms
Advantages and Disadvantages of Text Word and Title Word Searching
Selecting the Best Medical Subject Headings
Quiz Section I: Text Word vs. MeSH Searching
Mapping
Subheadings
Tree Display
Explode Function
Focus Function
Combining Sets
Quiz Section II: Combining Sets
Limiting
Quiz Section III: Reviewing the Explode, Focus, Subheadings, and Limit Options
Viewing or Displaying Search Results
Full Text Options
Printing, E-Mailing, and Saving Search Results
Ordering Articles
Searching Tips, Hints, & Reminders
Tutorial Evaluation
Additional Tutorial Topics
Explaining OVID's Main Menu Icons
Searching for a Specific Author
Searching for Title Words
Searching for Journal Names


For More Information...

You will exit this tutorial when you click on the links below:
BUMC MEDLINE Plus/Ovid Tutorial

EXPLODE, FOCUS, SUBHEADINGS, AND LIMIT PRACTICE EXERCISES

Now that we've had the opportunity to go through two subject searches, combine sets, and limit, let's review. Try the exercises on the next few screens to be sure you understand the concepts of exploding, focusing, selecting subheadings, and limiting sets:

Scenario 1:
You are doing a literature search on the use of the drug taxol in pregnant women.

What MEDLINE function would you use to guarantee that the retrieved citations/articles emphasize taxol rather than just mention it as a secondary topic?

(Click on the green question mark above the set(s) you would choose.)

Option A
Option B
Option C
Option D
Limit set
Attach a Subheading to the MeSH term
Explode MeSH Term
Focus MeSH term