Create your printer-friendly document by clicking topic sections.
NOTE: More selections = longer documents.
Why It Is Done
How To Prepare
How It Is Done
How It Feels
What Affects the Test
What To Think About
Note: The "printer friendly" document will not contain all the information available in the online document. Some information (e.g. cross-references to other topics, definitions or medical illustrations) is only available in the online version.