INSTRUCTIONS FOR USING THIS TUTORIAL

Menu items appear at the bottom of each page.

	Click to return to the previous page.
	Click to go to the next page. (NOTE: This arrow will be replaced with the VIEW SAMPLE SCREEN button, below, if an exercise is required.)
	Click to perform the exercises and to see what the actual screens from Ovid will look like.
	Click to return to the BUMC MEDLINE Plus/Ovid Tutorials start page.
	Click to uncover information.
Text that appears in a PURPLE BOX includes explanations and instructions.