http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Interim guidance for airlines regarding flight crews arriving from domestic and international areas affected by swine influenza
Centers for Disease Control and Prevention (U.S.)
Title from title screen (viewed on May 1, 2009).
Mode of access: Internet from the CDC web site. Address as of 5/1/09: http://www.cdc.gov/swineflu/guidance/air-crew-dom-intl.htm ; current access available via PURL.