Description
Published:Began with Spring 2007?
Item Description:Description based on: Spring 2007; title from caption (viewed Dec. 24, 2009).
Latest issue consulted: Summer 2009 (viewed Dec. 24, 2009).
Electronic resource.
Physical Description:electronic texts, volumes : HTML, digital PDF files.
Publication Frequency:Irregular
Format:Mode of access: World Wide Web from the CDC web site. Address as of 12/24/09: http://www.cdc.gov/tb/publications/newsletters/TB%5FChallenge/default.htm ; current access is available via PURL.