Description
Item Description:Title from title screen (viewed on Dec. 10, 2003).
"May 2001."
Electronic resource.
Physical Description:1 online resource : illustrations
Format:Mode of access: Internet from the National Library of Medicine web site. Address as of 12/10/03: http://hstat.nlm.nih.gov/hq/Hquest/screen/DirectAccess/db/3663 ; current access available via PURL.
Bibliography:Includes bibliographical references.